What is sufficient to convict a defendant of knowing participation in an established conspiracy?

Evidence of even a slight connection, if proven beyond a reasonable doubt, is sufficient to convict a defendant of knowing participation in an established conspiracy. United States v. Sanchez-Mata, 925 F.2d 1166, 1167 (9th Cir.1991). Such a connection may be inferred from circumstantial evidence. Mares, 940 F.2d at 458. Although mere proximity is insufficient to establish a connection to a conspiracy, acts that otherwise appear innocent, when viewed in context, may support an inference of guilt. Id.