In 1988 , Blackjack became a franchisor with the sale of several corporate stores to franchisees . Blackjack Pizza operates 45 stores in five states . Blackjack 's tagline is " Better Pizza , Better Price . " Eric Harris and Dylan Klebold , the high school seniors who committed the 1999 Columbine High School massacre worked part-time for $ 5.15 an hour at the Blackjack Pizza store in Littleton , Colorado , and Harris eventually became shift manager . At this pizza parlor , the two teens made important acquaintances who were inadvertently connected to the attack at Columbine High School . The two teens were able to meet Mark Manes , the man who sold them the TEC-9 that they used in the attack , through the connection of Philip Duran , a fellow employee at the Blackjack Pizza store where they worked
Columbine High School massacre
Columbine High School massacre
Blackjack Pizza