R v Sinclair 2010 SCC 35 is a leading case from the Supreme Court of Canada on a detainee's right to counsel under section 10(b) of the Canadian Charter of Rights and Freedoms. Specifically, the case addresses two issues regarding the police's implementation duty under the right to counsel: 1) does a detainee have the right to have a lawyer present during police questioning, and 2) does a detainee have the right to make multiple phone calls to their lawyer. A majority of the Court answered the first question in the negative, and answered the second question in the negative, subject to a change of circumstances. The parties to the case were the appellant, Sinclair, the respondent, the Attorney General of British Columbia, and the following interveners: the Attorney General of Ontario, the D