washington u.s. attorney general jeff sessions say monday justice department still decide whether would seek impose reform chicago police force subject critical report former obama administration report issue jan. 13 week president donald trump take office justice department say chicago police routinely violate civil right people cite excessive force racially discriminatory conduct code silence thwart investigations police misconduct chicago federal officials sign agreement principle create court-enforced consent decree address issue reveal probe report release consent decree must negotiate approve federal judge sessions commit enter negotiations department determine reform follow make decision really worry chicago sessions say tell reporters brief sessions say police officer chicago arrest people less frequently speculate may fear interactions could record spread internet trump regularly single chicago failure curb violence recently say city totally control twitter message police chicago new york ferguson missouri elsewhere come fire use excessive force primarily black men incidents record cellphones share online sessions say see summaries chicago report report obama justice department complete police ferguson pretty anecdotal scientifically base sessions say u.s. attorney general still decide whether impose reform chicago police