Big Arm man facing child pornography charges in undercover sting

A 55-year-old man from Big Arm is facing child pornography charges following an online undercover sting. According to court documents recently filed in Montana District Court (Feb. 7), Billy Dean Smith was a member of a group in a messaging app called Kik in which users shared child pornography. One of the members of the group was an undercover agent, who alerted the FBI office in Kalispell. The investigation is ongoing, agents said. Smith is being held at the Missoula County Detention Center.