Criminal Minds (2005)

S14E6 Luke

Title: Luke Plot: The BAU travels to Bethesda, Maryland, to probe a series of four murders that occurred within three days along the East Coast. The case hits close to home for Alvez, as the team uncovers connections to his previous work with the DEA and Mexican authorities five years earlier, chasing down a notorious assassin. Meanwhile, Alvez and his girlfriend contemplate taking a significant step in their relationship by moving in together.