8 Tips for Interviewing a Serial Killer, According to Famed FBI Profiler John Douglas - Mental Floss

8 Tips for Interviewing a Serial Killer, According to Famed FBI Profiler John Douglas  Mental Floss

Former FBI agent and behavioral analyst John E. Douglas has interviewed everyone from Charles Manson to Dennis Rader (a.k.a. B.T.K.). Here's how he gets ...