Two Tongan men are awaiting execution in the State of California, USA, after they were convicted on two separate murder incidents decades ago, says recent report.

Siaosi Vanisi, 45, was found guilty and sentenced to death for killing a University of Nevada, Reno police officer in 1998.

Witnesses told the judge Vanisi repeatedly told them he wanted to kill a cop in the days before he hack to death Sgt. George Sullivan, a 19-year veteran of the force who left behind five children and a widow.

Vanisi struck Sullivan with a hatchet more than 20 blows while the officer sat doing paperwork in his squad car shortly before 1 a.m. on Jan. 13, 1998.

Tupoutoe Mataele, 41, was convicted in August, 2005 for the shooting death of Danell Johnson on Nov. 12, 1997, and the attempted murder of John Matsubayashi, Johnson's roommate.

Court document says Mataele and the victim, Danell Johnson, were involved in a group that was committing identity theft and drug dealing. 

Deputy District Attorney Mike Murray said that Mataele and a friend lured Johnson outside his Anaheim apartment and shot him in the head.