The man accused of killing 19-year-old Dacara Thompson will remain behind bars after appearing in court Monday. The suspect, 35-year-old Hugo Hernandez-Mendez, who U.S. Immigration and Customs Enforcement officials say is living in the country illegally, now faces first- and second-degree murder charges. READ MORE: Dacara Thompson investigation: Hugo Hernandez-Mendez arrested, charged with teen's murderAccording to court documents, Thompson was seen on video early on August 23 approaching the driver’s side of his black GMC Yukon Denali. READ MORE: Hugo Hernandez-Mendez: Who is the man charged in Dacara Thompson’s murder? Officials say Hernandez-Mendez had previously been arrested by U.S. Park Police for DUI but was released.