Gruel, a criminal defense attorney working in San Francisco, argues that the state should establish stricter guidelines for selling violent games to teenagers. It attests that “data continually and strongly suggests that participation in children's use of violent video games increases aggressive thoughts and behaviors” (Gruel). This is important because he believes that video games are having a long-term negative impact on young people. Most violent video games reward players for their increased use of violence during gameplay. Players are encouraged to ignore "victims" calls for help, respond to attacks with the use of weapons, and injure or kill as many characters as possible in the game. These violent scenarios are often depicted in first-person perspective as the player navigates the game viewing the violence through the eyes of the main character. Killing quickly and with a variety of weapons or tools is rewarded with more points or levels. Participation in virtual violence may contribute to physically aggressive behavior toward peers and adults in adolescents. Gruel explains that teenagers who play violent video games have difficulty relating to their surroundings and become physically aggressive. “Intense interactions with violent video games increase adrenaline levels in children and produce prolonged physiological arousal. In the medical community