Follow CBSMIAMI.COM: Facebook | Twitter

MIAMI (CBSMiami) – Opening arguments got underway Thursday in the trial of a former North Miami police officer.

READ MORE: Florida Gator Hunt Lottery Draws Record Applicants

Cellphone video shows the moments a mental health caregiver and his 24-year-old client are confronted by North Miami Police. (Source: Hilton Napoleon)

Jonathan Aledda is charged with attempted manslaughter and negligence for his role in an incident that took place in July of 2016 which made national headlines.

READ MORE: Fatal Oakland Park Crash Involving 3 Vehicles Under Investigation

Cell phone video captured behavioral therapist Charles Kinsey laying on his back with his hands in the air. He was next to a patient with autism that he was caring for, who Kinsey was trying to get back to a facility.

Police got a call about a possibly suicidal man who may have a weapon.

Kinsey yelled to officers that his patent was only holding a toy truck, but an arrest report states Aledda fired three shots anyway, one of which hit Kinsey.

MORE NEWS: Florida's Jobless Rate Dips To 3 Percent

The shooting led to the firing of the North Miami police chief and the suspension of a former police commander, for allegedly lying about his part in the shooting.