Tags: Chicago

Newly released police dashboard camera videos from the scene of the shooting of a black teenager by a white Chicago patrolman could raise fresh questions over documentation of the killing, as the city braced for an organized protest march on Friday.

A white Chicago policeman who shot a black teenager to death was charged with murder on Tuesday in a prosecution hastened in hopes of averting renewed racial turmoil over the use of lethal police force that has shaken the United States for more than a year.

Police chiefs from across the United States called on Monday for universal background checks for firearms purchases, saying opinion polls consistently show that most Americans support such restrictions.