Harris, a sophomore at Texas A&M University-Corpus Christi, was found dead in a nearby wastewater well in June, nearly four months after he vanished from his off-campus apartment complex.
Agents arrived at Rosenwasser's home early Tuesday morning to execute an arrest warrant; however, they were met with immediate gunfire.
The family is pursuing legal action against the mortuary and funeral home to ensure this type of horror never happens to another family.
Officers from the Rose Hill Police Department were called to a home on September 10 after receiving reports of an individual threatening self-harm.
