Russia allegedly gave data on US flights and warned of an impending strike according to Rybar. That's Russian state media though.
Even without any foreign assistance, Maduro should have been safer from obvious things like helicopter raids. A strong enough flashlight and an RPG would do the trick against what has been shown. I'm with the backroom deal theory so far. Maduro gave himself up to Trump and the Bolivaran Republic gets to stick around, something like that.
I literally cannot name one thing she has done to earn a Nobel of any kind.