Why can FBI terrorism investigations take years? Former agent explains following Mall of America arrest

An 18-year-old Richfield man is accused of planning an ISIS-inspired mass shooting at the Mall of America, with prosecutors alleging he wanted to kill 30 to 60 people at a Hmong arts celebration later …

Full story: https://kstp.com/kstp-news/top-news/why-can-fbi-terrorism-investigations-take-years-former-agent-explains-following-mall-of-america-arrest/