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KN, p. 223 “Underwater Evidence and Recovery: Searches”

 

Part 2 of “Underwater Evidence and Recovery” covers some of the search methods available to rescue and recovery dive teams.


Read Part 1: “Underwater Evidence and Body Recovery: Lakes and Bodies” here.

 

Evidence has been found and tagged with rope and buoy.

The evidence team works together to place the evidence in the container while underwater.

 

 

 

 

 

 

 

 

 

 

 


The divers each have different roles. In a three member team, one does the bagging and tagging and the other has primary responsibility to bring the evidence or a body back. The divers try to stay with the bag on the way up, so it doesn’t get snagged on rebar, fish hooks, or other debris known to be present in ponds and swamps. The large pond near my house has castoff evergreen trees around the edges – great hiding places for fish, but tough to work around when moving retrieval equipment near them.

 

One search method for remains thought to be in shallow, but cloudy, ponds is to form a ‘skirmish line.’ The team members lock arms and walk the area, to see if they can bump into the body. In deeper water, grappling hooks might be used if there is a suspicion that a body is snagged on a log or other large object. Sometimes, people drown in their cars after going off a road, and must be extricated before the car is towed out.

 

As upsetting as it might be to the families of missing loved ones, searches cost money. The men and women in charge of the searches must weigh their past experience in finding people under different circumstances and decide when to call it off officially.

 

Highly experienced divers have found bodies and evidence at a depth of fifteen feet, where it is extremely cold and almost pitch black. It’s not always possible to recover anything at that depth, with currents, storms, or toxic waste in the mix.

 

Searches are conducted with ropes because of the zero visibility. The bottoms of lakes are silky and murky and the divers see shades of dark. Lights don’t help because they bounce off particles in the water. The divers have to work by feel.

 

During training, already certified divers practice evidence recovery in clear water, then duplicate the exercise in black water. Some practice dives are done while wearing blackout masks. Trainees have been known to close their eyes and hum when getting used to the darkness. As one diver said, “It’s scary down there the first few times.” The job is definitely not for everyone. I certainly couldn’t do it!

 

A recovery buoy is attached to the evidence container.

 

The procedure after finding evidence or a body is to bag it while still in the water. The body bag has fine mesh on side to let the water out, but not the evidence. A design improvement created 6 points of attachment to lift the body bag, allowing more stability during the lift.

 

For a drowning, the divers buoy the body. For a homicide, the divers wait with a body bag and buoy it. Attaching a buoy allows for easier lifting.

 

Once out of the water, a record of the chain of custody is kept on the outside of the bag by the Medical Examiner.

 

 

Experts say that drowning deaths can be avoided by following some simple rules:

 

“Ninety percent of our fatalities could be prevented if they were wearing a life jacket (while boating),” North Carolina Wildlife Resources Commission Officer Hannah Shively explained.

 


If you see someone in distress, try and throw an object towards them, whether it’s a stick, fishing pole, cooler, or life jacket, to pull them to safety. Don’t let yourself or anyone else become a statistic.

 

 

*Photos taken by Patti Phillips at two Writers’ Police Academy events in North Carolina. Many thanks to the members of the Guilford County Sheriff’s Department for their informative presentations and to Lee Lofland for organizing the annual events.

 

 

 

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KN, p. 222 “Underwater Evidence and Body Recovery: Lakes and Bodies”

 

Warning: article contains details about dead bodies.

Crime scene tape has been posted around your favorite big pond or lake and nobody can get on/in the water until it has been searched. What has happened? Perhaps a body has been sighted underwater by a swimmer, or a fisherman has snagged something suspicious on his hook. A violent crime may have been committed in the area and the police are looking for discarded weapon(s). Or a report has come in to the police station about a missing person, and that missing person may have been seen in the vicinity of the water. Law enforcement is already on the case and if the crime scene tape is up, along with officers conducting an investigation, then a dive team is most likely working your formerly peaceful spot.

 

The USA has a great many lakes and assorted other bodies of water, both natural and man-made. Just a few examples:
 

Alaska: over 3,000,000 lakes (yes, 3 million)

Minnesota: 10,000 lakes (it’s even written on the license plates)

New Jersey: 366 named ponds, lakes, and lagoons

North Carolina: 78 named lakes as well as several bays, sounds, and hundreds of ponds.

Texas: over 200 large lakes and reservoirs.

 

When that many bodies of water are part of the landscape, it makes sense that the Sheriff’s Department (County law enforcement) and First Responders have teams that specialize in underwater evidence and body recovery. Why the Sheriff’s Department? It’s not about deep pockets financing the operations, it’s all about jurisdiction and best use of available resources. Many large lakes cross town lines, and the Sheriff’s Department has jurisdiction in all the towns in its County. No need to duplicate personnel, when prevailing thought is that one or two teams per County will be able to handle the job of underwater evidence and body recovery.

 

Note: the local Fire Department usually has a First Responder team on the site of any accident – they are trained for rescue. At some point, it will be determined whether it is a recovery or a rescue and/or if there is a need to preserve evidence. It’s usually a recovery rather than a rescue at a lake, because after a person spends ten minutes under the water without air, it becomes a recovery operation.

 

Are there enough on-the-water deaths to make certified-for-recovery dive teams necessary? Sadly, yes. The Great Lakes Surf Rescue Project tracks those stats for the five biggest USA lakes. There were 99 deaths reported in 2016, 88 in 2017, and as of this writing, 47 so far in 2018 in the Great Lakes alone. North Carolina has reported 10 lake deaths so far in 2018.

 

Most of the time, the lake deaths are accidental, but on occasion, bodies are found because of a homicide.

 

A body will float after 72 hours, and continue to float for a couple of days. After that, the naturally occurring body gas is expelled and it will sink again. Bodies are often found fairly quickly, but a body gets like jelly if it’s been in the water for a while, complicating the collection process.

 

Cold water will preserve a body, and warm water will cause more rapid decay, so divers must work carefully in the warmer locales. Cadaver dogs can pinpoint the location of a body to speed up the work. It’s been discovered that the longer the body is in the water, the wider the smell arc for the dogs. It’s a little like a dead fish smell, more concentrated closer to the body.

 

If no cadaver dogs are available, the divers swim in ever bigger arcs from the chosen starting point onshore and they work in grid patterns. If the search area is large enough, one of the onshore/on boat team members keeps a map/record of the searched areas.

 

In general, when working in shallow water, the investigation and recovery can be accomplished by dive teams alone. In deeper water, it will be a combination of boats and dive teams that do the search and recovery.

 

Most dive teams have the same equipment. They dive with aluminum scuba tanks and 3200 pounds of air will last about an hour. The basic dive suit is worn for warmth and protection – below 10 feet, it’s cold, no matter what the weather is up top. They also have hazmat suits to dive with in toxic environments.

 

Buoys are color-coded and are released to show when the diver(s) need help or when marking the spot.

 

With the smallest team of 3 people, there are:

  • Diver
  • Safety diver
  • Surface tender

 

With a team of 11 people, at any given time, there are five people in the water.

 

It is protocol to always keep one diver on the surface, ready to assist under water or switch places with the diver already in the water. The “tender” stays on the surface (whether in a boat or on the shore) and directs the search using a rope. The tender signals by tugs; he/she lets the rope play out, and then gives more when needed.

 

The “tender” not only controls the line and the search pattern, but keeps track of the air time and the clock time on a log, which becomes the official record of the diver/search activity. If there is a new diver on the team, the tender tracks to see the average air use, an important stat to have when making sure a sufficient supply of air tanks is on hand for each team member. The tender can estimate the time/air left in the tanks in use after observing the previous pattern of intake by the newbie.

 

After spending time in the water, the divers will be dehydrated, another thing the tender keeps track of.

 

 

Stay tuned for Part 2: “Searches.”

*Photos taken by Patti Phillips at two Writers’ Police Academy events in North Carolina. Many thanks to Lee Lofland for organizing the annual events, and to the members of the Guilford County Sheriff’s Department for their informative presentations.

 

 

 

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KN, p. 216 “Crime Scene at the Beach”

 

 

A recent vacation week took us to the beach and we were lucky enough to rent a cottage right on the ocean. What a pleasure to wake up to seagulls calling to each other as they found breakfast on the incoming surf at the edge of the broad expanse of sand. Morning coffee was extra special as we breathed in the sea air and planned the day ahead.

 

Aside from all the great sunsets, fabulous seafood restaurants, and much-needed relaxation, we found time to chat about fictional bodies and where to find them.

 

TV shows and movies feature their share of corpses that have washed up on the rocks lining the shores of lakes, bays, or oceans. Any crime scene at water’s edge has its own challenges for the CSI techs processing the area for evidence, and our vacation spot highlighted a few.

 

Consider footprints on the sand:

 

 

 

 


This print had been fully visible until a wave washed it partially into oblivion.

 

 

 

 

 


Sneaker treads next to the barefoot print, showed the traffic on the dry part of the beach just a few feet closer to the dune.

 

 

 

 

 

There was more than one kind of sneaker tread to be seen.

 

 

 

 

 

The sneaker and shoe companies have data bases going back several years indicating the treads and styles of the various shoes they have manufactured. A search warrant or a friendly conversation with the people at the companies will reveal specialty editions of their footwear and the year they were produced. Matching the footwear to the prints on the beach can narrow the suspect list – helpful if the culprit remained in the area and the sneaker was an unusual brand.

 

Consider the tire tracks:

 

 

A windy afternoon caused this tire tread to lose its definition.

 

 

 

 

 

 

 

 

 

 

 

This new tire tread was just ten feet away from the footprints.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Beach bikes were in use as well. I didn’t have a ruler with me, so Sheila donated her sandal. This gives you some perspective of the width of the tread, essential in determining the type of vehicles near the ‘scene of the crime.’

 

 

 

 

 

Tire companies have data bases as well, and make their information available to law enforcement officers when needed. CSI techs take photos of the various treads for later ID and if needed, make casts of the footwear prints. Read “Is that your footprint?” here.

 

All three vehicle treads were within 20 feet of each other, along with all the footwear prints seen here – and it wasn’t high season yet, when a greater variety of cars, dune buggies, bikes, and shoes would be around.

 

Any crime scene in such a well-traveled place means it will be tough to find the killer. Nature washes or blows away the evidence and the crime scene is compromised by all the foot and vehicle traffic.  

 

Law enforcement officers have to hope for witnesses to the dastardly deed.

 

We turned our attention to the places to hide the body:

 

 

 

This lovely walkway leading from the cottage to the dunes gave access to an area that looked suitable for body stashing. Except that it wasn’t really all that great for anything covert. Three houses near ours had direct line of sight to that walkway, and all had overhead lights strung along their own paths to the beach.

 

Each of the other houses had three floors – ours was the smallest of the group.  That meant that anyone looking out at the ocean could also see anyone dragging a body out to the beach grass next to/under the boards.

 

 

 

 

 

 

 

But, let’s say that nobody is looking out the window. While it is illegal to dig up the beach grass in the dunes because of erosion programs in most oceanside communities, a killer would have no such concerns. BUT, that Beach Grass (actual name is American Beach Grass) is tough. It’s meant to be, so that it holds the sand in place during stormy weather. It would not be practical or at all speedy to dig a hole in a grass-covered dune in order to hide the body.

 

Maybe that’s why so many bodies in the TV movies are dumped elsewhere and merely wash up on the beach. Then the writers don’t have to worry about how to hide the body at the scene of the crime.

 

 

 

 

 

 

 

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