I think you're right. But the article is poorly edited. The final paragraph begins with the word "he", while the previous paragraph mentions both Drinkman and K

I think you're right. But the article is poorly edited. The final paragraph begins with the word "he", while the previous paragraph mentions both Drinkman and Kalinin. So it's possible that "he" refers not to Drinkman, but to Kalinin, who has not yet been caught.