He was probably just practicing for work, trying to get it right four times in a row ... Union Leader: Former TSA worker sentenced for sexually assaulting girl A Londonderry man who worked for the Transportation Security Administration was sentenced to 20 to 40 years in state prison after pleading guilty to sexually assaulting a young girl.Dwayne Valerio, 45, pleaded guilty to two counts of aggravated felonious sexual assault on Friday, leaving it up to a judge to hand down a sentence.Assistant County Attorney Patricia Conway asked for consecutive 10 to 20 year prison terms on the two charges. A judge agreed to her recommendation after a hearing on Friday in Rockingham County Superior Court.Valerio was arrested March 25, 2011, after an investigation by Londonderry police. The assaults occurred in Londonderry between 2003 and 2008. The girl, now 13, told a girlfriend last year about being sexually assaulted. It was then reported to Londonderry police.