UPDATE (3:00 PM)--
According to a police report, deputies were dispatched to a suspected shooting at Lely High School.
When deputies arrived, they found a white female lying on the pavement. Deputies began rendering first aid and noted the victim had been shot multiple times.
The victim was attending Level one Adult English night classes.
On December 19th the victim had called Pena to complain about him harassing her friends and family.
Through an investigation, detectives were able to obtain security footage of the events that place the Pena at the scene.
Two witnesses witnessed Pena walk from behind a vehicle and begin shooting.
Pena asked a witness to borrow his vehicle before the shooting. Pena then returned the vehicle to the witness after.
The Sheriff located the vehicle and is processing it for evidence associated with the shooting.
Pena was arrested for Second Degree Murder.
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UPDATE (9:30 AM) -- Deputies have made an arrest in Thursday night's murder of a night school student in Naples.
50-year-old Jose Alfredo Avila Pena is in custody on charges of second degree murder.
Investigators say that Pena and the victim had previously been in a domestic relationship.
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EAST NAPLES, Fla -- Students, parents and staff are on high alert, after a deadly shooting that happened on school grounds at Lely High School Thursday night.
Deputies are still searching for the suspect.
According to the Collier County Sheriff's Office, a call came in around 8:30 p.m. reporting the incident. They say someone shot and killed an adult victim.
School officials say the victim was an adult education student in the night school program, and that this was an instance of domestic violence.
On Friday, deputies say we can expect a heavier than usual law enforcement presence, but that there is not danger to the greater student body and staff.
Deputies continue working to gather witness statements and evidence.