NYPD Commissioner Ray Kelly said earlier Wednesday that the way the bill was folded indicated it could have been used for drugs, though there was no visible residue on it and no illegal drugs were found in Ledger’s apartment.

TMZ.com reported that the bill had a powdered substance on it, citing NYPD sources; CBS 2 in New York City reported that cops found drug packets along with the $20 bill in Ledger’s apartment.

An autopsy performed on the Oscar-nominated “Brokeback Mountain” ...