Competing Claims Between Former Partners Turns On Credibility (R.C. V. S.Y.S.)

Claims of intimate partner violence and/or sexual assault often turn on the parties’ competing accounts of what happened. Because such events frequently take place without witnesses, aside from the parties involved, the credibility of the parties is key to determining the truth.

The recent decision of R.C. v. S.Y.S., 2026 ONSC 2799, provides a helpful review of the law on credibility and how trial judges assess credibility to determine the truth of alleged facts underlying a claim. The decision serves as a baseline refresher on the distinction between witness credibility and reliability, particularly in the context of trial testimony. For trial counsel, the practical lesson is that credibility is determined holistically. In cases that turn on competing testimony, the most persuasive narrative will be the one that is most consistent and reliable when considered in the context of the record as a whole.