A Lewiston man who already had one child pornography conviction on his record pleaded guilty on Friday in U.S. District Court in Portland to another charge of transporting child porn.

Fredrick Butler, 44, sent two emails on April 10 to an individual in Oregon containing 25 images, most of which depicted minors engaging in sexually explicit conduct, according to court records.

Butler had been convicted in 2001 in federal court of receiving child pornography. As a result of the prior conviction, Butler faces a harsher sentence of at least 15 years and up to 40 years in prison, a fine of up to $250,000, and supervised release of up to life, according to the U.S. Attorney’s Office.

The date of his sentencing before Judge Nancy Torresen was not immediately available.

Scott Dolan can be reached at 791-6304 or at:

sdolan@pressherald.com

Twitter: @scottddolan