they 'd bagged several items as evidence-a terse note from irene threatening to leave barker if he did n't start treating her better ; a picture grace had drawn of a man who looked suspiciously like barker hanging from a tree ; a bank statement that showed irene had bounced several checks on her account while barker had plenty of money in his ; and the life insurance policy that named irene beneficiary of a $ 10,000 policy she never even tried to collect .