Targeted police attacks in San Antonio and St. Louis

Two police officers have been shot in separate incidents in what authorities are calling targeted attacks. One died while the other was shot twice in the face but was expected to survive.Authorities say a San Antonio detective writing out a traffic ticket to a motorist was shot to death in his squad car late Sunday morning outside police headquarters by another driver who pulled up from behind.San Antonio police Chief William McManus identified the officer as 50-year-old Benjamin Marconi, a 20-y