What is the test for third party culpability in a criminal case?

either directly or circumstantially to the actual perpetration of the crime. In assessing an offer of proof relating to such evidence, the court must decide whether the evidence could raise a reasonable doubt as to defendant's guilt and whether it is substantially more prejudicial than probative under Evidence Code section 352." ' [Citation.]" (People v. Edwards (2013) 57 Cal.4th 658, 729.) We review the court's ruling on the admissibility of third-party culpability evidence for abuse of discretion. (People v. Prince (2007) 40 Cal.4th 1179, 1242.)