In Texas the law says you can shoot to stop a criminal from fleeing the scene of his crime...
Not necessarily; the law only applies if the shooter believes that the suspect is fleeing with stolen property.
A whole slew of other conditions must also be met. The statute is quite complex and is discussed at length in the following thread:
"Smokey, this is not 'Nam. This is bowling. There are rules... MARK IT ZERO!!" - Walter Sobchak