Cure-kun, you never fail to amaze me. But by first suspect do you mean the one who seems most aggressive/likely-to-do-it or do you mean the one who first appears in the chapter? There's a difference since the first one may be influenced by opinion.
*notices pattern* Gosho either gives all his effort to making the most suspicious person the culprit, all his effort to making the least suspicious person the culprit, or half of his effort...
Also, please define the term "indirect death". Do you mean accidents or what?