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Zamil Limon.Credit : University of South Florida Police Department

Authorities in Florida have released the cause of death for 27-year-old Zamil Limon, whose disappearance earlier this month launched a days-long search effort.

Limon, along with fellow doctoral student Nahida Bristy, also 27, was reported missing on April 17 from Tampa, Fla.

His body was found on the Howard Frankland Bridge on Friday, April 24, the Hillsborough County Sheriff’s Office said at the time.

On the same day, police announced the arrest of Limon’s roommate Hisham Abugharbieh, who has since been charged with two counts of murder.

An autopsy conducted by the Pinellas County Medical Examiner’s Office determined Limon’s manner of death to be homicide, and the cause of his death to be “multiple sharp force injuries,” according to a criminal report affidavit obtained by PEOPLE.

His body was found with his wrists and ankles bound, per the autopsy.

The investigation revealed a large amount of blood located at the residence where Limon and Abugharbieh lived with a third roommate, per the affidavit, which alleged investigators found blood trailing from the entry of the apartment, through the kitchen, to Abugharbieh’s room.

As of the filing of this report, Bristy has not been found. On Sunday evening, the Hillsborough County Sheriff’s Office announced they found remains on the interstate where the Howard Frankland Bridge is located.

The remains were sent to the Pinellas County Medical Examiner’s Office for identification.

Zamil Limon (left); and Nahida S. Bristy.Zamil Limon/Facebook; Nahida S. Bristy/Facebook

Abugharbieh has been charged with two counts of first-degree premeditated murder, according to court records reviewed by PEOPLE. He has also been charged with tampering with evidence and false imprisonment, per the sheriff’s office.

Online court records do not show plea information. His attorney declined to comment when contacted by PEOPLE.