Penelope Garcia faced the man who attempted to murder her and Dr. Reid.
Against Derek Morgan's advice, Penelope Garcia travelled to Texas to visit the man who attempted to kill her and Spencer during the Season 9 finale. After many failed attempts to appeal the murderer’s death sentence, Penelope sought him out to speak to him before he died.
Originally, he didn’t want to talk with her but, on the date of his execution, he requested that she visit. After realizing that no one he knew cared about was going to come, he asked Penelope to be with him during the lethal injection. She sat amongst the 12 witnesses and watched him die as the clock struck 12.
Season 10, Episode 2 "Burn"