Sheriff: $20,000 reward now available for information on Grube case

MERCER COUNTY, Ohio (WANE) Thursday morning Ohio Attorney General Mike DeWine announced a new initiative to solve the more than 5,000 homicides in the state.  He made the announcement not far from the scene of a double homicide that took place in November of 2011 in Mercer County.

In that case a father and daughter, Robert and Colleen Grube, were bound with duct tape and shot to death near Fort Recovery.

Sheriff Jeff Grey also announced on Thursday the reward money in the Grube case is now $20,000, up from $10,000.

As part of the effort to solve homicides in the the state, every cold case will be listed on the Ohio Attorney General's website. There are currently 166 cold cases listed on the unsolved homicides page . FBI statistics show that Ohio has more than 5,000 unsolved homicide cases.

The Attorney General's Office will also feature one unsolved case each month in order to call more attention to it in the hopes that more information may be found.

Anyone with any information on an unsolved homicide in Ohio should call the Bureau of Criminal Investigation (BCI) tip line at 855-BCI-OHIO.

Grube double homicide case

On the morning of November 30, 2011, Cassandra Grube found the bodies of her father-in-law Robert, 70, and her sister-in-law, Colleen, 47, when she went to check on them at their home at 2216 Burrville Road.

Earlier this month,  the Mercer County Sheriff's Department announced it was offering a $10,000 reward for information that leads to an arrest and conviction of those involved with the killings. 

Investigators are sure that Colleen was last seen alive shortly after 5:00 pm on November 29. 

Investigators have narrowed the time of the killings to a two hour window, and also know that at least one male and one female offender were present when the crimes took place.

There was also a laptop computer missing from the scene.