- Faraj al-Shibli is the second Benghazi suspect to surface in recent weeks
- His body was found in an eastern Libya town
- Last month, U.S. commandos captured Ahmed Abu Khattalah, who is charged in the attack
- Four Americans died in the 2012 attack on the U.S. diplomatic compound in Benghazi
Tripoli, Libya (CNN)A man once detained by Libyan officials and interviewed by the FBI over suspected links to the deadly 2012 attack on the U.S. diplomatic compound in Benghazi, Libya, has turned up dead.