FWIW, Don't have any proof, but statistically speaking, it would be profoundly unlikely for any of the outermost retinue of Jupiter's (or Saturn's for that manner) to not contain any binary objects or to have their own moons.
Seriously. We've found asteroids scooting by earth with moons, the outer most flock of Jupiter's satellites are captured asteroids, there's gotta be some moons of moons there, even if we haven't detected any yet.
Seriously. We've found asteroids scooting by earth with moons, the outer most flock of Jupiter's satellites are captured asteroids, there's gotta be some moons of moons there, even if we haven't detected any yet.
The granting of a pardon is an imputation of guilt, and the acceptance a confession of it.