Richard Rogers preyed on gay men he met in bars and clubs, dismembering them and leaving body parts in trash bags strewn alongside roads in three states.

We explore how anthropology research facilities work, their role in helping improve crime-solving and what motivates people to give their bodies to science.

Without a body, proving that someone has committed murder is difficult but not impossible. More than 500 no-body murder trials have been held in the United States, with a conviction rate higher than that of all murder trials.

A&E True Crime takes a look at some of the most notable 'black widows,' and the unbelievable lengths they went to off their spouses.

Samantha Sieber, vice president of Bio-Response Solutions, a company that makes alkaline hydrolysis machines for human disposal, speaks to A&E True Crime about the process of bio cremation and how it's different than the way killers try to get rid of bodies.