He was named the department's officer of the month that June, winning a commendation for investigating complaints of robberies committed by a man whom he later arrested.
The woman was identified as Hollie's ex-wife, Fonda Poellnitz, and he was quickly named as the suspect.
MOBILE -A police officer in Mobile was shot and killed overnight, according to WKRG. Hollie is believed to have opened fire while Billa was responding to report of a man barricaded inside.
A standoff went on for three hours.
Police had identified the woman's husband, Robert Hollie, as a person of interest.
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We must be prepared to suffer together. "We had a bottle of wine the other day and I saw that goal he scored [against Chelsea in 2009]".
Officers were seen early on Wednesday embracing and consoling each other outside of University of South Alabama Medical Center before Mr Billa's death was formally announced.
"Why is my momma gone?" asked Octavia while was stood next to her daughter Santavia Poellnitz, who lost both her grandfather and grandmother in the incident.
Governor Kay Ivey said in a statement that Alabama "was mourning the loss of one of our own Mobile Police Officers" and added "my prayers are with his wife, young child and the city of Mobile".
"She tells me she loves me everyday before I leave for work and I make sure to do the same", he said. The announcement of his award cited Billa's attention to detail and commitment, per his commanding officer.
He was interviewed by Fox10 in July 2016. "That's my ideal of good policing and I feel like that's what the chief is working towards".