Child sex abuse investigations pose a number of challenges to an officer or investigator. Many of the cases are reported late, which means there may or may not be a crime scene to respond to and thus little or no physical evidence to examine or collect.
To read more please visit:
https://www.policeone.com/police-products/crime-scene-investigation/articles/66812006-Why-cops-must-take-a-multi-disciplinary-approach-to-child-sex-abuse-investigations/