What are the maddog's rules for killing?

What is the maddog's modus operandi?

How does maddog find his victims?

In what way does Jennifer Carey force the police to question Jimmy Smithe before they are ready to?

How does Lucas use Annie McGowan? Was this ethical?

How do the police obtain the name of Louis Vullion?

Comment on the illegal tactics of Louis Davenport? What is the significance of this?