YUMA COUNTY, Colo. (CBS4) – Autopsies on the victims of a double homicide in Yuma County are finished but investigators couldn’t determine how they died or confirm their identities.

Family members have told CBS4 that Dianna and Elva Doddridge were the ones found dead inside that home in Kirk on Monday. The suspect, Tyler Withrow, is related to the victims.

Investigators have searched Withrow’s home in Aurora and his father’s home in Erie. They say several other warrants are pending.