TOPEKA, Kan. -

An Indiana man is convicted on federal charges of trying to sexually exploit a teenage girl in Lawrence.

A federal jury in Kansas City found 37-year-old Brett J. Williamson of Ft. Wayne guilty on three counts of attempting to produce child pornography and three counts of attempting to entice a minor to engage in unlawful sexual activity.

Prosecutors presented evidence that Williamson posed as a 15-year-old boy on a teen dating site called Tagged.Com. He befriended the Lawrence girl and coaxed her to perform sexual acts in Skype video chats.

Williamson faces 15 to 30 years in prison and a fine of up to $250,000 on each count of attempting to produce child pornography and ten years to life and a fine of up to $250,000 on each count of enticement.