A Lyon County man will serve more than 12 years in prison for distributing child pornography. Federal Judge Howard D. McKibben sentenced 27 year old Daniel O’Brien, of Wellington to 151 months in prison . O’Brien pleaded guilty Sept. 14 , admitting he used his cellphone to send images and videos. Investigators found 172 images and 30 videos on his cell phone and computer. The case was investigated by the Northern Nevada Child Exploitation Task Force, which is composed of members of the FBI, the Reno Police Department, the Washoe County Sheriff’s Office, and the Nevada Attorney General’s Office. The Douglas County Sheriff’s Office also assisted with the investigation.