help please find title of film for me (script)

[bongodog]

this film has a guy transfer from jail to prison hospital as he pretends to be in a catatonic state this is so he can continue to rob banks he gets help from the nurse there but only after she has pushed him in his wheelchair into a river and stabbed and beaten him to prove he is not catatonic.they drive a dodge charger i believe rob banks and end up dumping the girs man and getting together,sorry for the rubbish description but can you help thanks