The Tigard Police Department  is asking for the public's help to find a wanted sexual assault suspect.

48-year-old David Lawrence Pasiemiak is wanted on felony warrants for sexually assaulting a young girl for two years, between 2009 and 2011. The victim was 9 to 11 years old at the time.

Pasiemiak is described as a white male, 5'9" tall, 160 pounds, with shaggy gray hair and possibly facial hair.

Crime Stoppers of Oregon  is offering a cash reward of up to $1,000 for information that leads to an arrest in this case, or any unsolved felony, and tipsters can remain anonymous.

Leave a Crime Stoppers tip online at: text CRIMES (274637) and in the subject line put 823HELP, followed by the tip, or call 503-823-HELP (4357) and leave the tip information.

Visit to download the Crime Stoppers App for the iPhone or Droid.