How to say “She bagged the phone right at the scene, which is why the evidence bag has a time written on it.” in Japanese
In Japanese
彼女は現場ですぐ携帯を袋に入れたから、証拠品袋に時刻が書いてあるんだよ。
Kanojo wa genba de sugu keitai o fukuro ni ireta kara, shōkohin bukuro ni jikoku ga kaite aru n da yo.