1.May be the kit was placed by the assailant to mislead the police. 2. May be Bob was really sick becoz of the effect poison which he was not aware of hence was checking his blood sugar 3. When a person is not well why take the instrument to bathroom is a big question, this test can be done while sitting on his cot. 4. Death from strangulation will be different from accidental fall and broken neck, the post mortem will tell you in clear terms and a pathologist who has handled more than 1000 such cases will not err.
