Noun
しょうせき
部屋には犯罪の証跡はなかったが、警察は殺人事件ではないかと考えていた。
Although there was no evidence of crime in the room, the police determined that it was a murder.
Evidence traces are little bits of evidence left behind.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.