And you know nothing about me. While I have read that first century Christians were killed at the hands of others claiming to be Christian, it's been awhile and I cannot provide the link. I was wrong in calling those christians "catholic", therefore insulting all catholics. That was wrong.<quoted text>
You know nothing about me. You made the highly offensive and insulting accusation that the Catholic Church was killing Christians in the first century and based it on a wiki article which you mis-read and presumably some phantom authoritative sources. Then you begrudgingly concede and sarcastically claim that it was Christians killing Christians because you don't believe the Church at Rome even existed. When called out, you demand I prove you wrong. That's not how it works, again, it's you making the allegation, the burden of proof is on the accuser.
P.s. If you're sincere as you say you are and want to know what the Church teaches, just ask. It doesn't make sense to get your info from hostile anti-Catholic sources.
However, you cannot deny the church has a bloody past.