"Do you have a way?" Aiden frowned, "Let's hear it then."
"High-Rank Bloodline members, like Earls, can split their bodies into a large group of bats. I can split myself into a multitude of bats and scatter around the city to conduct a large-scale search, rooting out that damned serial killer," Kael spoke slowly, "I can identify recently fed vampires by scent. Once my body is split, each bat is akin to a familiar inheriting part of my consciousness. They would help me search for our target using their sense of smell."
The body of Sister Neve had been drained of blood, and last week, the corpse of the fireworks girl was found with indications that it had also been fed upon by a vampire, suggesting that the Grim Reaper's agent is probably not a rule-abiding vampire like Kael, who suppresses his thirst for blood.
But this didn't sound like a reliable method.