After five weeks of contentious testimony, a jury will soon decide whether a Mongols Motorcycle Club member murdered a Pomona SWAT officer after he burst into his San Gabriel home nearly five years ago, or acted in self-defense because he didn't know the intruder was a police officer. 

David Martinez, 41, has been charged with murder and assault on a police officer with a firearm in the shooting that killed Shaun Diamond, 45, on Oct. 28, 2014. Martinez’s father, Arturo was also injured. 

Closing arguments begin Thursday at 9 a.m. in the Clara Shortridge Foltz Criminal Justice Center in downtown Los Angeles, after which the jury of six women and six men will begin deliberations. The trial began May 6. 

The prosecution, led by Los Angeles County Deputy Dist. Attys. Michael Blake and Jacques Garden, said that Martinez was a full-fledged, a.k.a ...

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Connie Parson was inside her Willowbrook home last Thursday when she heard fireworks. Then, she heard gunfire.

Parson’s first thought was that there was a drive-by shooting happening nearby. But when she rushed out her back door about 7:30 p.m. June 6 and peered out the back gate, she saw two Los Angeles County sheriff’s deputies with their guns pointed at a white car.

“The way they were shooting, you would think they were in a war with someone else,” Parson said.

Ryan Twyman, 24, was sitting in a vehicle with another person in an apartment complex parking lot near East 132nd and South San Pedro streets when deputies said they made contact with the males, according to a statement released by the department.

“During the contact, a deputy-involved shooting occurred,” the department said in the statement. It remains unclear what prompted the shooting.

On Friday ...

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A 20-year-old man and a 17-year-old boy have been charged in the February shooting death of a high school athlete and honor roll student in Gardena, authorities said.

Marcos Medina, 20, was charged June 3 with murder and possession of a firearm by a felon, according to the Los Angeles County district attorney’s office.

Medina also faces gang and gun allegations. The juvenile suspect is facing a murder charge, police said.

Medina has not yet entered a plea; he is due back in court June 25, prosecutors said.

Police declined to say how the suspects were identified, citing the pending court case.

Police previously told The Times that about 7 p.m. Feb. 22, David Amaro-Poblano, 17, was shot while walking toward a home near West 146th Street and Halldale Avenue.

Investigators think David was mistakenly targeted as a member of a rival gang, though he had no such ...

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A 32-year-old Hesperia man who stabbed his girlfriend to death inside a Burbank home more than three years ago was sentenced this week to 26 years to life in prison, according to the Los Angeles County district attorney’s office.

Timothy Aguilar Andrade was convicted by a jury last month of first-degree murder with the special allegation that he used a knife, prosecutors said.

The trial lasted six days and a jury deliberated for about 3 and a half hours before deciding on a verdict, a spokeswoman for the district attorney's office said.

On Aug. 23, 2015, Andrade was in a bedroom with his girlfriend, 35-year-old Brandi Carrasco, when he stabbed her in the neck.

The two were staying at the home, in the 1900 block of Richard Street, with other acquaintances.

Contact the Homicide Report. Follow @nicolesantacruz and @latimeshomicide on Twitter.