tonight, several developing stories as we come on the air. president trump on the police in america. the president surrounded by law enforcement while signing his executive order today, suggesting police departments ban choke holds unless an officer's life is in danger. but the president does not mandate an end to the practice. also saying the american people demand law and order, even if they don't know that's what they want. families of those killed by police meeting with the president and what they said after. there is also news tonight about the deadly police shooting of rayshard brooks in atlanta. the d.a. to decide on possible murder charges. and what we're also learning tonight about the officer who shot and killed brooks, his record. the coronavirus, and is china tonight dealing with another emergency? residents in beijing now being told to lock down and avoid nonessential travel. it involves another market, a