TOMBALL, Texas -

A man shot in a Montgomery County neighborhood was driven to a nearby fire station for help, but firefighters couldn't save him.

The shooting happened around 9 p.m. Sunday in the 24100 block of Zahn Road. Neighbors in the Cypress Wood subdivision heard the gunshot and called police, but when officers arrived, they did not find anything.

A short time later, the victim, Alfredo "Freddy" Medina, 37, was dropped off at the Rosehill fire station in the 19000 block of FM 2920 in Tomball. He was shot once in the chest.

Firefighters worked on Medina, but could not save him.  He was pronounced dead at the firehouse.

Investigators said three men were spotted leaving Medina's house on Zahn Road shortly after the shooting. They were in a mid-2000 blue Honda Civic.

Deputies said they do not have a motive, but they do have good leads.

Anyone who has information about the shooting is asked to call the Montgomery County Sheriff’s Office Major Crimes Office at 936-760-5876.