Also known as "But Your Brother Was Such A Nice Guy."
In the Japanese original, Lupin finds Camilla's name carved on the casket. In the English dub, he doesn't learn her name until later and calls her "Mystery girl".
Loosely based on the manga chapter 'Lupin Sucks'.
Jigen makes a good but rude point about vampires when he hands Goemon a cross; they need a tangible religious symbol to repel vampires. And the only known religion that is known to work involved crosses.
If you pay close attention the transfusion bag for Carmella is empty when she vanishes. She likely drank it.