Police have released images from the moment right before a onetime doctor for former President George H.W. Bush was gunned down as he rode his bicycle in Houston.
Cardiologist Mark Hausknecht, 65, was shot and killed as he rode his bike Friday, according to Houston Methodist Hospital. In a statement, his wife Dr. Georgia Hsieh called her husband's death "devastating."
In still photos (see above), police used the color green to indicate Hausknecht and red for the suspect.
"The suspect was on a bicycle as well. Rode past the doctor, turned and fired two shots. The doctor immediately went down," Executive Assistant Police Chief Troy Finner said.
Hausknecht was going in to work at Houston Methodist Hospital when he was shot, the hospital's CEO said in an email to staff.
The area where the shooting took place is part of a 1,345-acre complex of hospitals and medical institutions, including the University of Texas MD Anderson Cancer Center, and is busy with traffic and pedestrians during the day.
Police said they are searching for a white or Hispanic male suspect about 30 years old who was wearing a dark jacket and fled the scene.
Hausknecht treated Bush in February 2000 for an irregular heartbeat after the ex-president complained about lightheadedness while visiting Florida.
The cardiologist appeared with Bush at a news conference after his treatment.