FBI searching Nelson County farm for Crystal Rogers

FBI agents returned to a Nelson County, Kentucky farm as the search continues for a woman who disappeared seven years ago.  
 
An FBI mobile command center was set up on the property where Crystal Rogers was last seen alive.  
 
The farm is owned by the family of Brooks Houk, Rogers' former boyfriend. He's been named a suspect in her disappeared, but has not been charged in the case.  
 
A mother of five, Crystal Rogers was last seen on July 3, 2015. Her car was later found abandoned along the Bluegrass Parkway, with her purse, phone and keys still inside.  
 
In a tweet, the FBI says tips continue to be an important part of the investigation.