Police are trying to piece together a shooting that left a man in critical condition.
It happened Saturday morning around 1:30 in a parking lot of a convenience store.
Police say when they arrived at E. Houston and Walters they found as many as 19 shell casings.
They say the victim was able to drive himself to Metropolitan Methodist Hospital.
Police found the victim's vehicle at the hospital with 15 bullet holes in it.
The man was listed in critical condition.