For what ends? And more importantly, I would agree, he WOULD have carried it out by himself. I mean man, even I, a layman know, that like 3/4(more) of crimes get solved by getting someone "else"(snitch) involved.
Now, add to this his lifelong practice and his angle...
From the corruption of women, proceeds the confusion of races - from the confusion of races, the loss of memory - from the loss of memory, all understanding - and from this - all evil.