In light of the COVID-19 pandemic, the SIU's reception is presently closed until further notice.
The SIU continues to operate, however, and members of the public interested in reaching the SIU are asked to leave a message at 1-800-787-8529 or 416-622-0748. Your message will be returned by appropriate SIU personnel.
Do you have questions? Please visit our frequently asked questions page – FAQ.
Do you think you may have been witness to an incident under investigation by the SIU? Please complete the Appeal for Witness form online.
You may also use the form below to contact us with your questions or comments. To help us serve you better, please indicate what your inquiry is about in the “Subject Line”.
To contact us by mail or to visit in person:
Special Investigations Unit
5090 Commerce Boulevard
You may also contact the SIU by:
Toll-free phone: 1-800-787-8529
Local phone: 416-622-0SIU (0748)
Local Fax: 416-622-2455
The fields marked with an asterisk (*) are mandatory.