Waukesha death investigation; 2 people found dead in home

WAUKESHA, Wis. - The Waukesha County Sheriff's Department on Saturday said a second person was found dead in a village of Waukesha home after a welfare check prompted a death investigation the previous day. A person of interest is in custody.

What we know:

The sheriff's department said a call requesting a welfare check came in around 9:45 a.m. on Friday. Deputies responded to a home on Cider Hills Drive, part of a subdivision just south of Genessee Road in the village of Waukesha, and found one resident dead.

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On Saturday, FOX6 News found law enforcement was still at the scene. The sheriff's department later confirmed a second person was found dead inside the home.

The person of interest is in custody on separate charges.

What they're saying:

The family of 51-year-old Donald Mayer on Saturday identified him and his wife, Tatiana, as the people found dead in a village of Waukesha home.

"He loved his family," said Tanya Mayer, Donald's sister. "We don't know what happened to cause this."

Tanya Mayer told FOX6 that the home investigators are focused on is where Donald Mayer and his family, including a stepson, lived. 

Donald Mayer and his wife, Tatiana (photo provided by family)

What we don't know:

The sheriff's department has not released any further details about the deceased, including when and where the second person was found. It is unclear who the person of interest is, what the separate charges are and where the person was taken into custody. 

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What's next:

The sheriff's department does not believe there is a threat to the community. Circumstances surrounding the deaths remain under investigation.