so then of course the police passed me on to the local branch of the k.g.b. -- it 's a big grey building on the morskaya ulitsa facing the harbour near the railway station , by the way -- and when they belinographed my prints to moscow there was a lot of excitement and they flew me there from the military airfield just north of the town at vtoraya rechka and spent weeks interrogating me -- or trying to , rather , because i could n't remember anything except when they prompted me with something they knew themselves and then i could give them a few hazy details to add to their knowledge .