The man highlighted in the press briefing wasn't a police officer in the United States, but an officer here in Kabul. This refers to the attack here in Kabul earlier this week.
The briefing reads in part:
One policeman sacrificed his life by holding the suicide bomber to his body. This allowed the remaining security forces to empty the surrounding areas of traffic and cordon the area off to save the lives of numerous civilians.
“This brave young man, Abdul Same, was awarded the Afghan Bravery Medal by President Karzai,” Jacobson said. “He was a true Afghan hero.”
The rest of the press briefing can be found here.