Layton gym coach arrested for sexual exploitation of a minor Davis County Sheriff's Office Mug shot: Kelly Christian Brown and last updated 2021-01-14 10:39:48-05 LAYTON, Utah â A Layton gym coach was arrested Tuesday after a student came forward saying he had inappropriately touched and talked to them at lessons and via text messages. 31-year-old Kelly Brown was arrested on one count of sexual exploitation of a minor, one count of unlawful sexual activity with a minor and two counts of dealing materials harmful to a minor. The victim reported that Brown would often touch them inappropriately while stretching at gymnastics class.