It's hard to know if 16-year-old Abdulrahman al-Awlaki was a target or collateral damage.

Al-Awlaki, a U.S. citizen, was killed last fall at a barbeque with friends. His father, Anwar al-Awlaki, an al-Qaida supporter and also American-born, was killed in a drone strike two weeks earlier in Yemen.

Read the whole story at NPR