Students 'hacked boy before burying him alive and having sex on grave'
Jose Amaya Guardado, 17, was lured to wood then ambushed and repeatedly attacked with a machete
Four students hacked a teenage boy with a machete and buried him alive before two attackers had sex near his shallow grave, police said.
The group plotted the gruesome murder of Jose Amaya Guardado for two weeks, digging the grave and hiding the machete in woods near their Florida university campus, arrest records obtained by the Miami Herald show.
Kaheem Arbelo, 20, Jonathan Lucas, 18, and Christian Colon, 19, were arrested and confessed to the crime last week, Miami-Dade police said.
Murdered: Jose Amaya Guardado
A fourth suspect, Desiray Strickland, 18, was arrested and charged on Wednesday.
The students are believed to have lured Guardado to woods near the Homestead Job Corps campus, where all five lived around 35 miles south of Miami.
Arbelo, Lucas and Colon then allegedly ambushed Guardado and Arbelo struck him repeatedly with the machete.
Strickland "complained that she had missed the first series of machete strikes because she had walked away for a few minutes to urinate in the woods," according to the arrest report.
Charged: Desiray Strickland and Christian Colon
The victim attempted to fight off his attackers but was outnumbered and repeatedly beaten with the machete "until his face caved in", police said.
The teenager was then made to lay in the grave where he died before the suspects attempted to burn the evidence.
Lucas and Colon returned to campus while Strickland and Arbelo stayed behind to have sex, police said.
Guardado's body was discovered three days later by his brothers, who saw feet in a burned area and alerted police.
Accused: Jonathan Lucas and Kaheem Arbelo
Police believe the teenager was killed over a debt he owed to Arbelo, a suspected drug dealer, NBC Miami reported.
Arbelo, Lucas and Colon confessed to the killings on video, New York Daily News reported.
Strickland, however, shoved and head-butted a detective before she was handcuffed in the interview room, police said.
Arbelo, Lucas and Strickland have been charged with first-degree murder. Colon faces a second-degree murder and conspiracy charges, jail records show.
Arbelo and Lucas are also charged with first degree conspiracy and evidence tampering.
Strickland also faces resisting an officer with violence, battery of an officer and criminal mischief.