46 is a leading Supreme Court of Canada decision on the legal requirements of an arrest under the Criminal Code.
In June 1967, James Whitfield was driving down a street in eastern Toronto.
The police spotted him in his car and approached him at a stop light.
Whitfield drove off but had to stop due to oncoming traffic.
Judson J., writing for the majority, adopted the common law definition of arrest as consisting of "the actual seizure or touching of a person's body with a view to his detention.