Chain of custody rules. 这是证据监督链规定的

190. So she better take it with her.
     所以她最好能随身携带
191. What?
     什么
192. You have to take it with you.
     你必须随身携带
193. Chain of custody rules.
     这是证据监督链规定的
194. All medical matter in a rape
     所有强♥奸♥案的医学证据
195. must stay with the person who collected it
     必须由收集人保管
196. Until it's placed in police custody.
     直到警方来接收为止

来自《实习医生格蕾 第一季 第二集 Grey's Anatomy S01E02》第 193 行