It was reported to police that in 2022, a woman began communicating on Tinder with Matthew Edward Williams, 36, who also goes by the name Matthew Galpin. The pair exchanged phone numbers, after which he began harassing and berating her. When she blocked his number, he reportedly used several different phone numbers to continue the harassment.
The harassment stopped for a time, and in 2025, it resumed, with the accused finding the victim on LeoList and messaging her again. The accused reportedly arranged a date with the woman using a fake name and photo to avoid being recognized, and when the woman refused to continue the date, he progressed to uttering threats.
On Nov. 14, 2025, EPS officers obtained warrants for Williams for uttering threats to cause bodily harm and criminal harassment. The accused is bound by two release orders for uttering threats and assault in similar investigations out of Calgary and B.C.
Matthew Edward Williams, 36
EPS is issuing this warning in the interest of public safety, as investigators believe the accused is targeting women on dating apps and women who advertise as sex workers on escort sites. Williams is known to use fake names and photos.
Police believe there may be other complainants and are encouraging them to come forward by contacting EPS at 780-423-4567 or #377 from a mobile phone. As well, anyone with information about Williams’ whereabouts is asked to contact police.