FRESNO, Calif. (KFSN) -- Andrew Leon sat quietly in this Fresno County Courtroom on Friday morning as he faces a retrial for shooting and killing April Diaz in 2023 outside of her Huron home.

Diaz is the mother of his girlfriend at the time, whom he was trying to reach on that dark night.

Three people took the witness stand, starting with Ramona, Diaz's neighbor.

The prosecutor painting a picture of that night from Ramona's perspective, who says she recognized Diaz's voice and looked out of her bedroom window multiple times, witnessing an argument before hearing gunfire.

"I start screaming," Ramona said.

"Were you afraid at that time?" the prosecutor asked.

"Yes. I started screaming, and I grab my phone and I call 911," she replied.

Ramona answered every question about what she rec

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