Watch: Ahmaud Arbery prosecutor delivers devastating closing argument with this simple test for the jury

The prosecutor in the trial of the three men accused of murdering Ahmaud Arbery delivered a hard-hitting closing argument on Monday.

The arguments were made by Linda Dunikowki, a senior prosecutor for the Cobb County District Attorney's office, which is the fourth prosecutor's office to handle the case.

"They shot and killed Ahmaud Arbery, they all acted as a party to the crime," argued Dunikowki, who has become something of a celebrity online.

Dunikowki explained why she saw the but-for test as the "bottom line" in the trial of Travis McMichael, his father Gregory McMichael, and William "Roddie" Bryan.

"But for their actions, but for their decisions, but for their choices, Ahmaud Arbery would be alive," she explained. "That's why they're indicted with murder — and four felonies that led to the murder."

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