Prosecutors say David Frahm used a smartphone app to chat about sexually abusing children and share images of that abuse.

Members of the FBI’s Pittsburgh Field Office are looking for a man in relation to an ongoing sexual exploitation investigation that involved a child. According to press release from the Pittsburgh Field Office,

The FBI is asking for help from the public in finding and identifying a man who may have information on a child victim in an ongoing sexual exploitation invest

Anyone with information on the man should submit a tip online or call the FBI’s toll-free tip line at 1-800-CALL-FBI (1-800-225-5324).

The Federal Bureau of Investigation is asking for the public’s help to find a man who they say may have critical information about an ongoing child sex crimes case.

The Federal Bureau of Investigation (FBI) is seeking the public's assistance regarding an unknown male who may have critical information in an ongoing investigation.

Nashville office is asking for help identifying a man who may have information regarding the identity of a child involved in a sexual exploitation investigation. According to the FBI, photographs and a poster depicting the man the agency is searching for (attached to this article) have been distributed to the public as he is believed to have been recorded on video by the National Center for Missing and Exploited Children around July of this year.