Rochester, MN (KROC-AM News)- A data tip has led to the filing of child pornography charges against a Rochester teen. 18-Year-Old Rochester Man Facing Two Child Pornography Counts18-year-old Alexander Thomas Rhiger is charged with two counts of possession of pornographic work depicting minors under the age of 14. The court document says pizza is a codeword for images or videos depicting child sexual abuse material and that he posted on six different servers. Police Execute Search WarrantRochester police executed a search warrant at Rhiger’s home in June. See Also: 26-Year-Old Woman Sentenced for Infant Abuse at Rochester DaycareRhiger said he traded images depicting CSAM 10 times, according to the charges.