Shut the fuck up you edgy teen. 'Break their bones until they agree'? Have you ever spoken to a real human before? Breaking their bones isn't how you get information. You speak to them.
Ch 2 A Dhampir's Experiments And Helping Out The Less Fortunate
Humans have been trying to figure out that type of stuff for decades. Vampires have probably tried for centuries. He's clever - might even classify as a genius - but he isn't omniscient.