If taken as read, the anecdotal discussion - which cannot be confirmed - could provide a useful and revealing insight into the emotional aftershock experienced by the families and friends of those who kill. One comment, which is rated top of the thread, details the murder of a girl by his sister's ex-boyfriend.
Titled: 'People who have known murderers, serial killers, etc. "My sisters ex-boyfriend is in jail currently for killing his next girlfriend and putting her body into a cement-sealed barrel," he writes, astoundingly.
They suspect that many of those photographed are cold-case victims.Reddit users have gathered together online to reveal their startling personal connections to some of the world's most notorious and prolific murderers or serial killers. Some mention the infamous kidnapper and rapist Ted Bundy, Colorado movie theatre gunman James Holmes and 'American Sniper' killer Eddie Ray Routh, while others talk of childhood friends or classmates who are arguably less well-known, but were once at the centre - or cause - of similar tragedy.