Detectives identified Isbell as a suspect during their investigation. Three other individuals are in custody in relation to the case, the sheriff’s office said, identified as witnesses or accomplices in Israelsen’s death. Those suspects were not identified pending charges.
Investigators said Israelsen had been dropped off at a residence in the 100 block of Ridgedale Drive near High Ridge on June 1, 2019, where Isbell was known to be, the Post-Dispatch reports. Law enforcement sources said the house was known for drug activity.