Homicide detectives search Phoenix landfill for missing ASU professor 05/19/2020 1:06 pm PDT Comments Arizona State University via KNXV: TEMPE, Ariz. (KNXV) -- Homicide detectives believe they know who killed ASU Professor JunSeok Chae, sources tell ABC15. Chae went missing in March. The Maricopa County Sheriff's Office began investigating on March 25 and zeroed in on the Northwest Regional Landfill by March 29. The Maricopa County Sheriff's Office searched a landfill on May 13, hoping to find evidence in the homicide investigation that began in March. Detectives are searching Chae's body. Sources tell ABC15 that is the main thing holding up the arrest of the suspect or suspects. JunSeok Chae was the Associate Dean for Research at ASU's Ira A. Fulton Schools of Engineering. He had been with the university since 2005. He had four U.S. patents and dozens of published papers. The Maricopa County Sheriff's Office did not release further information. MORE: Sources: Evidence in ASU professor's death points to killer(s) - KNXV #Arizona #Homicide #KNXV #LawEnforcement #Missing #MissingPersons #Phoenix Related Stories Boston doctor charged with murder after missing wife found dead Second suspect arrested in Wisconsin doctor, coach homicides Romance writer charged in husband's murder; 4 arrests in Phoenix death - TCDPOD Missing parents left toddler home alone; police find illegal pot grow in home Waiting for your permission to load facebook comments.