officer has lost his life, another is fighting for his after being shot in the line of duty last night responding to a domestic disturbance call in harlem. officers jason rivera there on your left was just 22 years old, his colleague wilbert morrow remains in the hospital. president biden tweeted jill and i are saddened to hear two nypd officers were shot last night, one fatally. joining us is cnn reporter mark morales. five officers shot in new york city this month alone. i know the mayor was talking about this earlier today. do we know what's behind all of this? >> well, that's the central point that we're arriving to right now. this is the aftermath of this very violent week that we've seen especially with these -- with both of these officers who were shot last night, one who was killed. right now it's about two things, investigators trying to figure out how the weapon got into the gunman's hands and finding a way to curtail the violence.