The number of ambush attacks against law enforcement remains steady – with about 200 a year – but more police are getting killed as a result, a Justice Department study found.
FBI Director James Comey suggested that violence may have increased because of the rising scrutiny of police following the high-profile shootings of unarmed black people.
Of the 51 officers, 46 were killed by guns; four were killed by cars.
A Border Patrol agent is accused of murdering her boyfriend in Chula Vista, Calif.
Three former East Cleveland police officers accused of stealing money from alleged drug dealers, often while conducting illegal searches.
For the first time, the federal government is tallying the number of killings by police around the country.
Despite widespread media coverage of police shootings, no one knows for sure how many Americans are killed by police officers each year.
An FBI investigation has been unable to determine whether Virginia Beach police deleted cellphone video of cops repeatedly stunning a teenager inside a car.
