If that possibility exists, it is of the utmost importance that the integrity of the crime scene be preserved to assist law enforcement officials in the prosecution of the criminals.

如果存在这种可能性，保护犯罪现场的完整性是至关重要的，这将有助于执法机关起诉犯罪分子。

youdao

The treaty has formed a foundation for global law enforcement of cyberspace, requiring countries to have a representative available 24 hours a day to assist in investigations.

这个公约已经成为全球 网络领域执法的基础，公约要求各国派一位代表每天24小时协助调查。

youdao

There are of course some initial success stories, for example the use of big data to assist law enforcement agencies in fighting crime (see here and here).

FORBES: Local Governments: Ready for Big Data?

"We will be carrying out speed enforcement to assist in the safety of everyone affected".

BBC: M27 closure: Motorway closure continues through weekend

Funding is provided to the HIDTA program of New York and New Jersey, which then provides it to law enforcement agencies to assist in the procurement of resources like computers and other items.

WHITEHOUSE: Press Briefing