31-year-old CFB Petawawa Corporal Derrick Gallagher is facing 18 additional sex charges including 8 counts of sexual assault, 9 counts of voyeurism and 1 count of assault.

Gallagher was arrested March 31, 2014 and initially charged with eight counts of sexual assault and two counts of voyeurism .

According to the Criminal Code of Canada, Voyeurism can include video taping if “the observation or recording is done for a sexual purpose”.

Police believe there are several dozen more women out there who are potential victims and don’t even know it.

The alleged victims may have been drugged and may have unknowingly contracted a sexually transmitted disease.

On April 4, 2014 OPP released a photo of Gallagher and his tattoos hoping it would encourage victims to come forward.

Police want to speak with any woman who has ever been alone with Gallagher.

The investigation is so wide spread, it’s believed there may be victims not only in the Upper Ottawa Valley, but in Ottawa, other parts of Ontario and Quebec and date back to 2007.

The investigation is under the direction of OPP acting inspector Peter Donnelly. Anyone with information or who may be a victim is asked to call 613-735-0188 or 1-888-310-1122.