Bryan Marquez, 22, was interviewed and arrested for an outstanding warrant unrelated to the death, and ultimately confessed to the killing.
Marquez told authorities that he became enraged by his roommate, whom he only knew by the name of "Guanajuato," when the roommate threw a plate of his food on the ground, the outlet reported.
WOMAN FACING MURDER CHARGES IN DEATHS OF FLORIDA COUPLE MURDERED IN RETIREMENT COMMUNITY
Booking photo of Florida murder suspect Bryan Marquez, 22. (St. Lucie County Sheriff )
Marquez said he did not immediately attack his roommate, but had a few drinks before landing blows on "Guanajuato’s" face, nose and ribs. The roommate eventually fell to the ground, when Marquez said he reportedly shoved dirt and gravel into the man’s mouth, Law & Crime reported.
KNAUS BERRY FARM OWNER BEATEN AT FLORIDA HOME, SON ARRESTED FOR ATTEMPTED MURDER: REPORTS
The suspect said he demanded the roommate stand up amid the attack, but realized he was dead when he did not comply.
WOMAN WAVES LOADED HANDGUN AT MCDONALD'S DRIVE-THRU AFTER FREE COOKIE INCIDENT: AFFIDAVIT
Fort Pierce Police Department vehicle. (Fort Pierce Police Department/FB)
Police recovered the buried body, and an autopsy determined it belongs to a Hispanic man between the ages of 35 and 45. The man’s body had injuries to his face, nose and ribs, consistent with what Marquez told police.
Marquez was charged with first-degree murder.