Another example would be the Christian extremist who murdered a doctor who performed abortions... or the people who firebombed abortion clinics... or the Olympic Park bombing in Atlanta... or the Ku Klux Klan... or the Aryan Nations group.... all terrorist acts or terrorist groups and all who justify their actions and views based on their Christian faith.

I was simply using Bernardo as an example, but don't doubt for a second that there are violent people out there who claim their Christian faith as their motivation.  Now, do you want to continue to argue that all Muslims are terrorists or that nobody else is?  Because I could keep this up all day.