TUALATIN, Ore. -- A homeless man drilled peep holes into the walls of the public library restroom and left behind child pornography, according to investigators who said they arrested him on Monday.

Police said Jonathan R. Jennings, 28, a transient, had lurked in the Tualatin Community Park as well as the Tualatin Public Library and made what appeared to be peep holes in the restrooms.

“Evidence seized from the three incidents was sent to the Oregon State Crime Lab and once processed, fingerprints matching those of Mr. Jennings were discovered,” said Captain Larry Braaksma with the Tualatin Police Department. “After securing a search warrant for a residence Mr. Jennings frequented, a surveillance unit spotted him near the Tualatin Public Library and followed him to the Tualatin Community City Park. He was taken into custody a short time later after exiting the men's restroom.”

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Braaksma said the men’s bathroom was inspected after Jennings left and the repaired holes had been re-opened.

Police also conducted a search warrant and Braaksma said they found various media storage equipment that was seized and turned over to the Oregon State Crime Lab Computer Forensics experts for analysis.

Meantime, Jennings was lodged at the Washington County Jail and charged with two counts of encouraging child sex abuse and criminal mischief. Braaksma said more charges could be pending after the Crime Lab completes its computer analysis.