Toxicology and autopsy results for Chrystal Reyes released
Posted: May 18, 2015 8:08 PM EST
Reyes' cause of death was drowning.
Her manner of death is undetermined.
The toxicology tests revealed minimal signs of alcohol and no drugs.
Reyes disappeared in December along with her boyfriend, 31-year-old Nick Sams.
Sams' body was found in the river just a few yards from the SUV where Reyes' body was found on March 21.
Sams' cause of death was also drowning.