Updated

The Latest on the administrative trial of a white New York Police Department officer who shot an unarmed black teenager to death (all times local):

1:20 p.m.

A white police officer who shot an unarmed black teenager to death in the bathroom of his New York City apartment says the last thing he wanted to do was pull the trigger.

Officer Richard Haste recounted the shooting for the first time publicly Friday at his departmental disciplinary trial.

He said he was afraid he was going to be killed because he believed 18-year-old Ramarley Graham had a gun and was reaching for it in 2012.

Haste initially faced a criminal manslaughter charge, but the case was dismissed because of a procedural error. A new grand jury refused to indict.

Police department attorneys say he should be fired.

An administrative judge hearing the case will recommend a punishment to the police commissioner.

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1:15 a.m.

A white police officer who shot an unarmed, black teenager in the bathroom of his New York City apartment is expected to offer his first public account of the slaying on Friday at his department disciplinary trial.

Officer Richard Haste initially faced a criminal manslaughter charge in the 2012 death of 18-year-old Ramarley Graham, but the case was dismissed because of a procedural error. A new grand jury refused to indict.

Police department attorneys are now arguing that Haste should be fired.

The officer's lawyers say he shot Graham because he mistakenly believed he had a gun.

An administrative judge hearing the case will recommend a punishment to the police commissioner.