About a week and a half later I was part of Criminal Minds, which just kind of shocked me.
Walker has “no experience” with or a vested interest in Scratch before joining the BAU, Gupton says.
I think we’ll be seeing more of Stephen Walker relatively soon.”
Damon Gupton joined the show in September as Agent Stephen Walker, two months after Rodriguez came on board as Agent Luke Alvez — and just when Garcia (Kirsten Vangsness) finally took a liking to Alvez (and his dog).