Depends on circumstances. A friend, emoployer, whatever gives him the check to cash in, and he didn't look closely at the amount, or was busy or distracted by other things in life and was just taking the money. Highly unlikely, but still within the realm of possibility and so must still be considered in the court case, which I'm sure it will be explored.
Highly unlikely.
From the source article.
DePadula was charged Wednesday after officers reviewed security footage at the bank that showed him watching the teller count out $3,000.