Cooper: I can handle a court case or threat analysis but not both at the same time, I need my A Team.
Prophet: A Team it is.
Griffith: Conflicted as I am to be compared to a marginally entertaining 80s TV Show, what would you like us to do.

Cooper: You're the senior agent; I'm leaving the team in your hands.
Griffith: OH they're going to be comfortable with that.
Cooper: Get used to it.

Why am I always the last one to know who is hooking up around here.

Griffith

When he's ready, tell Ben you need help with the little one. Let him know it is his place to his sister about their mother; it will keep her alive for both of them.

Mick

If you want forgiveness, you have to be willing to ask for it from your son and from yourself. You have to begin healing your own wounds first.

Cooper

Garcia: So you want me to do multiple searches on multiple personalities?
Cooper: [smiles] something like that, yeah.
Garcia: Multi-tasking Out!

This is guilt carried to an extreme. The unsub wanted to undo the horror of these murders.

Cooper

Cooper: Going to those dark places can be painful; but, we have to face things.
Keane: Can you ever come back?
Cooper: We can try.

Mick: Why would he go from killing men in their 20s to men in their 60s?
Prophet: With the first four victims, he is killing the same person again, again, and again.
Mick: So who the hell is he killing now?

A postmortem examination made you want to call me; I find myself firmly planted betwixed, touched and skeeved out.

Garcia

Evolution is a mighty big idea for four hours' worth of carnage.

Beth

Son: I was supposed to pick her up, the one time I didn't...
Sam: Your mother was the victim of a crime. The fault lies with the criminal not with you.

Criminal Minds: Suspect Behavior Quotes

the good thing about flying at 2am, is no traffic at the airport.

Cooper

David: Why not kill me and get it over with?
Simms: I killed a guy like you once, it wasn't as much fun as I thought it would be.