Kristin Cavallari’s brother was arrested days before he went missing.
Police are still searching for the reality star’s brother after they found his abandoned car with its engine on and air bag deployed in Utah more than a week ago.
Michael Cavallari, 30, was arrested in southern California on charges of making threats days before he disappeared.
Search crews have been combing over the area where his Honda Civic was found, they said, but no sign of him has been found yet. (RELATED: Which Celebrity Mom Thought It Was OK To Take Her Son To The Beach Dressed Like This?)
On Monday, Cavallari thanked her fans for their support during this time.