JACKSONVILLE — Michael Dunn should be convicted of murder because he "went crazy" and systematically and methodically fired "round after round after round" into a Dodge Durango containing four teenagers, one of the prosecutors told jurors Wednesday in closing arguments in the highly publicized Florida trial.

"Let me be very clear. On Nov. 23, 2012, this defendant shot and killed Jordan Davis. There was no gun in that Durango. There was no stick. There was no bat. There was no lead pipe. There was no gun," said Erin Wolfson, assistant state attorney. "What was in that Durango was four teenage boys."

DAY 5: 'He's coming to kill me,' Michael Dunn says

DAY 4: Prosecutor rests case in Fla. murder trial

Dunn, 47, a South Patrick Shores software developer, is standing trial for first-degree murder, three counts of attempted murder, and one count of shooting or throwing a deadly missile. Davis, 17, was killed in the dispute over booming rap music at a Gate gasoline station on the south side of Jacksonville.

Defense attorney Cory Strolla will give his closing statement Wednesday afternoon before Circuit Judge Russell Healey will hand the case to jurors. Deliberations could start Wednesday night.

Dunn testified Tuesday that moments into his verbal altercation with the black teens, he saw Davis reach down, pick up something resembling a 12-gauge shotgun, open his door and say, "This (expletive)'s going down now!" That's when Dunn reached into the glovebox of his car, unholstered his handgun, turned and fired at the Durango. Ten shots were fired, three hit Davis, authorities said.

Dunn said he was in fear for both his life and that of his fiancée, Rhonda Rouer, who had gone into the gas station to buy wine and snacks.

"This is the point where my death is imminent," Dunn testified. "He's coming to kill me. He's coming to beat me."

But during cross-examination, Rouer testiied that Dunn never mentioned that he saw a weapon after the shooting. The couple had traveled to Jacksonville for the Thanksgiving weekend wedding of Dunn's son, Christopher.

DAY 3: 9 bullet holes found in teens' SUV

DAY 2: Testimony focuses on music confrontation

Wolfson told jurors Wednesday that Dunn's "blood started to boil" because of the vehicle-rattling "thug music" coming from the SUV, and he escalated the confrontation and fired in premeditated fashion because a teenager had disrespected him. Afterward, she said Dunn fled the scene, returned to his hotel, ate pizza, walked his dog and poured a stiff drink — without calling 911 or notifying anyone about the shooting.

"Those are the actions of somebody who intended to kill someone — and then realized what he did was wrong," Wolfson said.

The case has drawn comparisons to the death of Trayvon Martin, a black teen killed during a 2012 altercation with George Zimmerman. The neighborhood watch volunteer said he shot Martin in self-defense after an altercation in which he feared for his life. Zimmerman, charged with second-degree murder, was acquitted last year by a Florida jury.

Outside the courthouse Wednesday afternoon, about 15 sign-waving demonstrators called for Dunn's conviction, chanting, "Turn up your music! Jordan Davis!"

Contributing: Gary Strauss in McLean, Va. Rick Neale also reports for Florida Today.

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