commissioner an anthony batts says the investigation will take time. >> if i was a parent and that was my child that i lost i would be concerned. i want to know and want to react. our job is also to have balance and not to rush to a conclusion. >> adam vooes live-- adam reece is live in baltimore. what more can you tell us where the investigation stands? >> reporter: good afternoon. the just department opening their investigation. i can tell you that is welcome news here in baltimore as they just don't trust the police here to police themselves. last night about 1,000 protesters marched from the location where freddie gray was arrested to the local police department in west baltimore chanting "black lives matter" and "justice for freddie gray." they want to know how is it possible that he could have suffered such a severe spinal cord injury that resulted in his death in what appeared to be a routine arrest. for his part the commissioner has been going door to door