The Russian tame foxes? No, the Russians experimented with foxes to try to produce dog-like characteristics, but they didn't use any other wild species except foxes. The TV show I referred to centered on one man in Russia who was trying to come up with a tame fox breed that could do a better job than dogs at sniffing out illegal substances and explosives. His foxes or fox hybrids now patrol Russian airports.
No, not that one but the one were they kept intermixing different breeds for use in crime fighting and bomb sniffing. They found that it kept maintaining too much of its wild side from its breeding with whatever wild dog they used and had to breed in more passive tame breeds.
Here it is, they used a turkmen jackal for it;
http://europuppyblog.com/item/2008/03/russian-airlines-develop-a-super-sniffing-dog-breed