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Third arrest made in double murder in $20K gang bounty shooting from October

Bryant Grund (L) and Antonio Tillie Jr. (R) were killed in what police call a gang bounty shooting. (WJXT)

JACKSONVILLE, Fla. – A third arrest was made nearly nine months later in a gang bounty shooting that left two men dead on Jacksonville’s northside.

Jimmy Robinson, 23, was arrested in connection to the murders of Antonio Tillie Jr., 19, and Bryant Grund, 31.

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According to Jacksonville police, the double murder was part of a $20,000 gang hit.

Tillie was found shot in the backseat of a Mini Cooper on Kylan Drive off Moncrief Road on Oct. 6, 2023.

Grund was identified as an innocent Uber driver.

RELATED | ‘Such a gentle soul’: Mother of innocent Uber driver killed during gang hit asks community for help

Ja’Quan Mills was charged with the murder of the two men.

According to the arrest warrant, Mills told police that Robinson was there during the killings and provided one of the rifles.

He also said that Robinson acted as the lookout and getaway driver to his accomplices.

Diamond Harris, 23, who was Mills’ girlfriend at the time of the murders, was also arrested and pleaded guilty to two counts of second-degree murder, writing a letter to ask the judge for mercy in her case.

RELATED: ‘I deserve a chance’: Woman pleads guilty to role in $20K gang bounty shooting, asks judge for mercy

Investigators said Harris lured Tillie Jr., who thought he was meeting her for a date.

Investigators accused Mills of killing Tillie instead, collecting half of the bounty — $10,000.

Investigators said Tillie and Harris were communicating on Instagram and through several text messages and phone calls. Police said she denied providing Tillie with the incident location and said she did not speak with him around the time of the murder.

A sentencing date for Harris has not been set.

Mills is awaiting trial.


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