They help preserve evidence quickly

https://pr.taosnews.com/article/Atlanta-Metro-Personal-Injury-Law-Group-Releases-Settlement-Guide-Addressing-1-Million-Car-Accident-Settlement-Documentation-Requirements?storyId=6a2835d73c67a30002f859be

They help preserve evidence quickly, sending spoliation letters to ensure critical data is not lost or destroyed by at-fault parties.