heather holmes is live. she tells us that behind the scenes friction played into the resignation. reporter: this is batts letter, although he doesn t name any names, those in the department say major quan has too much control. insiders say mayor quan has too much control. nobody wants to be in a department where he is not quan was defensive able accusations she forced the chief out but it was clear from her brief one minute remark that there is no love lost between them. i didn t ask him to leave but if he were to leave this is a good time. performed the city of the office of chief of police. reporter: when batts was appointed chief by then mayor ron dellums he had big goals. but batts found out things are different in oakland. layers of bureaucracy that batts says limited his ability to do his job. i think we have to be ashamed of the fact that we had a guy who wanted to do the job and we didn t give him the tools to do it. reporter: he says he s in talks w