It wasn't reported in the state-owned and controlled media. After all, this was the new man, that new breed, Homo Sovieticus, ahead and apart from western man, free in his collectivist thoughts from the corrupting mindset of bourgeois, capitalist influences. Homo Sovieticus would no more likely steal from a stranger or his neighbor than his own mother. It just wasn't admitted, though the buildings in Russia without barred or grated windows on first floor and double steel doors on apartments are few indeed. But now there are no such constraints on a free media.
Crime is reported daily.
Gruesome, bloody bodies litter the nightly news. There's enough to go around for everybody. And to most Russians, it appears to be a problem out of control. Why, in the old days there wasn't this problem. Of course not, it wasn't reported, unless there was ulterior reasons.