Circumstances uncertain after man dies in Howell police custody

Police in Howell are trying to figure out what happened after a man died in police custody.
Police found Derek Boyle standing next to a stolen vehicle Saturday night near Tioga Drive.
According to officers, Boyle's condition began to deteriorate and they gave him Narcan.
Boyle died at the hospital.
Police say there was no use of force at any time during the arrest.