I warmed my hands on my favorite Mickey Mouse mug, filled with strong black tea, and read the already printed psychological portrait of the killer. Oddly enough, this distracted me. I was immersed in a job that was fairly new to me.

“He is probably between thirty-five and fifty-five years old. The intellectual level of this type can reach one hundred and forty-five IQ points. That is, according to scientists, he is most likely a genius.

He is very well controlled, incredibly restrained, he is very pedantic. He takes care of his appearance, housing and car, he probably has neatly trimmed nails, a perfectly ironed shirt and there is not...