| Date of birth: | May 15, 1960 |
| Ethnicity: | Non-Hispanic |
| Hair: | Brown |
| Eyes: | Hazel |
| Verification requirement: | ANNUALLY |
| Sid: | 02874242 |
| Shoe size: | 10.5 |
| Risk level: | MODERATE |
| Inmate name: | NIKIRK,JOHN MARK |
| Booking location: | Potter County, TX |
| Jail name: | Texas Sexual Predator |