it's common knowledge that many juries have ruled in favor of plaintiffs and defendants in lots of civil cases. No one needs to cite anything for this.
If you type "Jury trial" into bing, it #2's "in civil cases" and for that you get:
U.S. Constitution extend the rights to trial by jury
to include the right to jury trial for both criminal
and civil matters and a grand jury for serious cases
But see, I suppose there are some places where even a conversation like this could get us in jail, so maybe we shouldn't be having it... I don't know...