22-year-old rookie jason rivera was killed his partner, wilbert mora, gravely wounded when they responded to a domestic disturbance call police say lashawn mcneil opened fire using an illegal handgun with an extended magazine capable of holding 40 rounds hundreds gathered to honor rivera on sunday it is not just in new york in houston a deputy was shot and killed during a traffic stop. in d.c. police were responding to a man acting suspiciously when he started shooting, injuring one officer. have you seen violence against police officers at this level in your career i have not. i have worked 36 years in law enforcement, and i can tell you it is the worse i have seen it. reporter: last year over 300 police officers were shot nationwide, 63 killed. we see all of this rhetoric, all of these attacks, these dehumanizing of law enforcement. it is really eroding the respect for our profession. reporter: the violence against police comes as major american cities struggle with violent