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The FBI hopes to identify potential victims of a salesman accused of videotaping himself raping girls.

Police arrested the 46-year-old Matthew Coniglio on April 10 in Pooler, Georgia. Ten days later, he apparently hanged himself with a cord inside his cell at the Chatham County jail in Savannah.

Coniglio worked as a sales representative for a food distribution company headquartered in Florida.

Videotaped evidence seized at the time of his arrest suggests that Coniglio drugged multiple young females who he subsequently molested and raped. Coniglio also possessed more than 50,000 images/videos depicting child pornography. There is no evidence to suggest that he shared or traded any of the videotaped assaults.

An FBI review of various public sites revealed during the past 15 years, Coniglio lived in Savannah and Pooler, Georgia; Charleston and Hilton Head, South Carolina; and Raleigh and Charlotte, North Carolina.

Anyone with information is asked to call the FBI's Victim Assistance Toll Free number at 1-877-236-8947

The FBI shared exclusive details of the case with The Associated Press in the hope victims will step forward and can be offered counseling. The AP also uncovered other exclusive details of Coniglio's past and previous encounters with the law.

Several errors may have contributed to the apparent jailhouse suicide, eliminating the best chance that investigators had for identifying victims across the Southeast.

Here are key findings from an internal investigation into the death obtained by The Associated Press.

MEDICAL CARE: A staffer for the medical contractor at the jail, Corizon, prescribed Valium to help Coniglio cope with panic attacks and symptoms of alcohol withdrawal, according to a report by Sheriff's Office Cpl. Allen O'Berry. He determined Coniglio never received the sedative. Medical staffers also didn't do follow-up evaluations with Coniglio. O'Berry described the lapses as "poor practices" in his report. Corizon spokeswoman Rebecca Warren wouldn't comment on Coniglio's care, citing patient confidentiality rules.

SUPERVISION: Investigators believe Coniglio killed himself while alone, and he may have plotted the attempt for several days. His cellmate, Donald Graham, told investigators Coniglio had asked about a week earlier for an hour of privacy in their cell in the evening, right after prison guards usually finished a round of checks. O'Berry wrote in his report that video from the jail shows a guard did not make those cell checks on Easter night, when Coniglio died, then falsely claimed he did in official paperwork. That guard, Ashton Tatum, resigned May 7 rather than get fired, records show. Tatum told the AP that he was not properly trained.

IS THE DEATH INVESTIGATION FINISHED? No, not yet. O'Berry found no signs of foul play and concluded that Coniglio killed himself. The Georgia Bureau of Investigation has not yet completed its inquiry.

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