16-year-old dies weeks after Gilbert shooting; suspect arrested police say

16-year-old dies nearly 2 weeks following Gilbert shooting

Police say the 16-year-old boy shot at a Gilbert home earlier this month died on Dec. 23. Charges against the suspect in this case are being upgraded to first-degree-murder.

GILBERT, Ariz. - *UPDATE: On Dec. 26, Gilbert Police said the 16-year-old victim died on Dec. 23, following the Dec. 13 shooting. 

What we know:

Gilbert Police are investigating a shooting that left a teen boy in critical condition on Saturday evening. 

Officers responded to reports of a shooting in the 900 block of South Deerfield Lane just before 8 p.m. on Dec. 13.

A 16-year-old victim was found with serious injuries and taken to a nearby hospital in critical condition. 

Police said he had been visiting his girlfriend at the residence. At the same time, 21-year-old Rael Sanchez, who is a relative of one of the homeowners, was visiting family at the home.

Teen shot in Gilbert; suspect found by Phoenix PD

Police say Rael Sanchez fled the scene after shooting the 16-year-old victim, but he was found a short time later.

Prior to the incident, witnesses told officers that he had been acting erratically and was seen in possession of a firearm. 

Following the shooting, Sanchez left the home in a vehicle. 

Dig deeper:

Around 10 a.m. on Dec. 14, Phoenix Police found Sanchez through "his involvement in an unrelated incident in Phoenix," according to Gilbert Police. He was taken to a nearby hospital and later taken into custody once he was released.

Sanchez was arrested and booked on an attempted second-degree murder charge. 

Map of the shooting location.