WHITLEY COUNTY, Ind. (WANE) – NewsChannel 15 has learned that the ex-husband of missing woman, Debra Houser, 49, was not supposed to be living with her in a rented Whitley County home. According to the property’s landlord, the man was not on the lease for the home.

20 two man teams of police officers continue to search for Houser in a 5-square mile area of rural Whitley County.

An Indiana State Police helicopter has also joined the effort.

In all, four police departments are involved, including officers with the Indiana Department of Natural Resources, the Columbia City Police Department and the Whitley County Sheriff’s Department.

The Eel River runs through the area, so police are searching the ditches and creeks that feed into it.

The search for Debra Houser began Wednesday after a man showed up at the Whitley County Sheriff’s Department headquarters at around 11 a.m. and said he was concerned about the Houser’s welfare. Houser had not shown up for work and the search initially centered around her rental home located at County Road 400 West and Old Trail .

Authorities say she lived at the home with her ex-husband and a 10-year-old child. Police obtained a search warrant and searched inside the home.

Police have finished searching the area outside the home.

Police do have a man in custody, but his identity has not been released.

Police don’t know if the woman has health problems and they have not said if they suspect foul play.

This story will be updated.