Until recently on Linux, there was no user accessible (non-command line) way to access IM chat logs at all.

从前在Linux平台上，用户根本没有办法（非命令行）访问IM聊天日志。

youdao

It allows police in California to access any data stored on an arrestee's phone: photos, address book, Web-browsing history, data stored in apps (including social media apps), voicemail messages, search history, chat logs, and more.

CNN: STORY HIGHLIGHTS

The ruling allows police in California to access any data stored on an arrestee's phone: photos, address book, Web browsing history, data stored in apps (including social media apps), voicemail messages, search history, chat logs, and more.

CNN: STORY HIGHLIGHTS