His funeral was held today on Long Island.
On Thursday, family members sobbed as his flag-draped coffin arrived in a heart wrenching military ritual.
His mother cried out, "My boy!" as an honor guard carried his remains into an Oceanside funeral home.
Weeping residents held American flags. Some honored his father's request to "salute my boy."
The Afghan police officer shot and killed Buckley and two other U.S. Marines after sharing a meal with them.
It was one of a recent rash of attacks in which Afghan security forces or attackers wearing their uniforms turned their guns on the coalition troops.