HOLBROOK, Idaho -

The Oneida County Sheriff's Office is making progress on a triple homicide investigation that happened on April 4, 2013, in Holbrook.

The Sheriff's Office said during the course of the investigation they have found several persons of interest. The office said those people live in Utah and California. Sheriff JP Semrad also said several people in the case have been interviewed and some of them are currently in jail for various offenses in surrounding states. The Oneida County Sheriff's Office is working with Utah and Idaho authorities and federal law enforcement agents.

Anyone with information is asked to contact the Oneida County sheriff at 208-766-2251 or text a tip anonymously to 208-815-0120.

The homicide left three people dead and two children without parents. The bodies of Brent Christensen, Trent Christensen and Yvette Carter were found in a home. Investigators also rescued more than 60 pit bulls that were involved in a dog fighting ring. Deputies also said they found marijuana growing on the property.