According to the report released Wednesday, 240 man hours were used through the course of the investigation. Students who attended the trip were asked to voluntarily give their statements regarding the events on Jan. 18. Forty-three students gave their account.

https://www.wlwt.com/article/bishop-investigation-shows-cov-cath-students-did-not-instigate-incident-at-dc-march/26324257