RT Article T1 Firearm instrumentality: Do guns make violent situations more lethal? JF Annual review of criminology VO 4 SP 147 OP 164 A1 Braga, Anthony Allan 1969- A2 Douglas, Stephen A2 Sheppard, Keller A2 Griffiths, Elizabeth LA English YR 2021 UL https://krimdok.uni-tuebingen.de/Record/1912560135 DO 10.1146/annurev-criminol-061020-021528