Cutler's missing brother-in-law was arrested Nov. 23 -- four days before he disappeared

SALT LAKE CITY (AP) — Police documents show that NFL quarterback Jay Cutler's missing brother-in-law was arrested outside a city hall in southern California with a loaded shotgun four days before his car was found abandoned in Utah.

The documents reveal that Michael Cavallari was arrested on Nov. 23 after a woman called the Orange County Sheriff's Department to say he had been outside her apartment with a shotgun.

The unnamed woman told deputies the two had argued days earlier and she was afraid because he kept returning to her apartment. Police say Michael Cavallari acknowledged having a loaded shotgun in his trunk, but he denied doing anything to the woman.

He is the brother of reality TV personality Kristin Cavallari.

Utah authorities say the 30-year-old Cavallari hasn't made contact with anyone since his car was found in a desolate stretch of southern Utah on Nov. 27.