I need specific information on what happens to the human body after an unconscious body is placed in the water. Does the body float - if so for how long or does the body sink. In the case I am working on the water would have been fresh water and a cold temperature of 30-50 degrees fahrenheit. The body would have been clothed and weighed approximatele 120 pounds The body was an adult.

what would make a body sink and then rise to the surface?

Thanks for any accurate info.