A U.S. Court jury in Kansas City, Missouri returned a guilty verdict against a former postal employee charged with stealing mail, including the money from a young girl’s birthday card.

Prosecutors say 44-year-old Leonard Jenkins was convicted on charges contained in a February, 2011 indictment. The jury deliberated for about four hours after a trial that started Monday.

Jenkins worked part-time at the U.S. Postal Service processing and distribution center in Kansas City. On Nov. 4, 2008, he was recorded on surveillance video placing mail in his pockets while working on a mail sorting line. Several greeting card envelopes had been ripped open and were found in Jenkins’ work area. Evidence during the trial indicated that a woman had sent a birthday card to her great-granddaughter and enclosed a $10 bill in the card. When investigators found the opened envelope in Jenkins’ work area, there was no money inside.

The investigation into Jenkins’ activities was launched after numerous post offices across the Kansas City metropolitan area received mail that had been opened and rifled through, all of which had been sorted on a machine operated by Jenkins.

Under federal statutes, Jenkins is subject to a sentence of up to five years in federal prison without parole, plus a fine up to $250,000. A sentencing hearing will be scheduled after the completion of a presentence investigation by the United States Probation Office.