A man has been charged in the death of a detention officer in October. 

A grand jury has indicted Daniel Davitt for second-degree murder in the death of Gene Lee, a 6-year veteran of the Maricopa County Sheriff's Office. 

The sheriff's office said Davitt attacked Lee without provocation while Lee was on patrol at Lower Buckeye Jail. 

Detention Officer Gene Lee
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PREVIOUSLY: Detention officer dies after jail attack

Lee's death was the first time the sheriff's office lost a detention officer. 

A $1 million bond was ordered on Tuesday. 

RELATED: 'What happened to Officer Lee was inexcusable': Sheriff Paul Penzone on death of detention officer