Okay - I am more than a bit dense and sometimes it takes awhile, but I think I get it now. The Police chief was reacting to the first point that Holmes was trying to divert the police to his apt. before the massacre at the theater. That didn’t work, so Holmes just plain chickened out and didn’t want to die, so he gave up. That does make sense.
take a breath. repeat, my booty belongs to me, you can not have my booty