nancy o'malley >>"we have concluded our investigation and issued our opinion on the case involving sgt gant, we are now continuing our investigation in the issues around the sexual exploitation, we have not received a lot of information about the text messaging but we are looking into that as well" >> reporter:opd sgt. mike gantt was clearned of criminal investigation focused the fact that his girlfriend helped him with his police work >>"he was having his girlfriend transcribe jail statements, she never saw a given confidential information, so there is no violation of the law, while it may be a violation of their department, but that becomes a personnel issue" >> reporter:then there's the investigation into opd officers allegedly sending and receiving racially themed text messages. >>"we want to announce that we are almost at the end of an investigation into racist text messages" >> reporter:oakland mayor libby schaaf may be near the end of her investigation. but d.a. o'malley tells me her office is just getting started. >>"on the text messaging we don't have the full information from opd,