A 54-year-old man is facing child porn charges after Ottawa Police say he filmed children changing their clothing.
Police say Karl Njolstad was known to invite Uplands Drive-area kids into his home to make movies.
He's also accused of sexually assaulting a girl under the age of 12.
The charges include invitation to sexual touching, sexual interference, voyeurism and possession and production of child porn.
Njolstad appears in court Saturday.
Investigators are concerned their may be more victims.
