TUCSON, Ariz. (KGUN) — The Tucson Police Department arrested a second suspect linked to Sunday's deadly shooting inside a parking garage on Congress Street.
The second suspect arrested was identified as 19-year-old Alexis Diaz. Police made the arrest Monday night around 9:30 p.m.
Diaz was charged with 1st degree murder, drive-by shooting, auto theft, aggravated robbery and attempted aggravated robbery.
![Alexis Diaz mugshot.jpg](https://ewscripps.brightspotcdn.com/dims4/default/fa8bb5f/2147483647/strip/true/crop/480x600+0+0/resize/480x600!/quality/90/?url=http%3A%2F%2Fewscripps-brightspot.s3.amazonaws.com%2F9b%2F93%2F5a9d48014e14b7ad34bab7328748%2Falexis-diaz-mugshot.jpg)
No other suspects are outstanding.
The incident happened Sunday morning at 2 a.m. at the garage on Congress Street, according to police.
When officers responded to the scene, they found a man with signs of gunshot trauma who was later pronounced dead. He was identified as 52-year-old Mark Edward Doe.
TPD learned from witnesses that two men had attempted to rob multiple people that night and Doe was one of a few people who intervened before he was shot.
RELATED: TPD investigates deadly shooting at Congress parking garage
After the shooting, the suspects drove off in a stolen pickup truck. Officers later found the truck and tried to pull it over, but the driver fled from officers leading to a chase. Police say at least one of the suspects shot at police officers during the pursuit, though the officers did not return fire.
On Wednesday, police arrested 21-year-old Luis Alberto Garcia.
![Luis Alberto Garcia](https://ewscripps.brightspotcdn.com/dims4/default/54ae72c/2147483647/strip/true/crop/907x1135+0+0/resize/907x1135!/quality/90/?url=http%3A%2F%2Fewscripps-brightspot.s3.amazonaws.com%2Fa7%2Fe2%2F7a7abfbd481bb2b3c9e6007a3be0%2Fluis-alberto-garcia.jpg)
Garcia is facing charges of first-degree murder, aggravated assault with a firearm, aggravated assault on a peace officer with a deadly weapon, robbery, auto theft and vandalism.