Bruce Sackman, the president of the Society of Professional Investigators in New York, spent years on the trail of a medical doctor who we now know murdered at least 60 people. Nancy Grace explores the investigation of Dr. Michael Swango with Sackman, who chronicles this case and others in his new book “Behind the Murder Curtain: Special Agent Bruce Sackman Hunts Doctors and Nurses Who Kill Our Veterans.”

Southern California prosecutor Wendy Patrick, New York psychologist Caryn Stark, Atlanta juvenile judge & lawyer Ashley Willcott, medical examiner Dr. William Morrone, and Crime Stories reporter Larry Meagher join the discussion in this episode.

“Crime Stories with Nancy Grace” is also a national radio show heard on SiriusXM channel 111 airing for two hours daily starting at 12 p.m. ET and around the country on local radio stations. You can also subscribe and download the daily podcasts at iTunes and Google Play.

[Feature Photo: Dr. Michael Swango/Police Handout]