Tom Sizemore Investigated For Stealing Cell Phones

Congenital convict Tom Sizemore may be heading back to his old prison cell soon, because he's the alleged ring leader of one of the most pathetic heists in history ... one that was caught on tape.

The LAPD confirms Tom -- who spent time behind bars in '07 for a probation violation -- is being investigated for grand theft after he allegedly stole multiple cell phones, a pen and a highlighter from a Verizon Wireless store in L.A. last week.

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