Fatal Robbery Finally Solved: Killer Coworker.

HE WOULD COME TO WORK WEARING A WIG' - FBI SPECIAL AGENT SETH FLEITMAN Three weeks later, by chance, Wilbern called the FBI's Buffalo office to report a real estate scam. A MAN DISGUISED AS AN FBI AGENT MURDERED A FATHER OF 2 IN A CREDIT UNION. Under the guise of hiring Wilbern as an informant, FBI agents invited him to the office - and obtained his DNA from an envelope he licked and sealed during the interview. [Extracted from the article]