Story highlights Two people, including Missouri State Sen. Jamilah Nasheed, are detained by police Monday night

Protesters have been calling for an officer's indictment after unarmed teen Michael Brown was killed

Investigators found Brown's blood on the officer's gun, uniform and cruiser, sources say

Protester: "If there is not an indictment, excuse my French, all hell is going to break loose."

Ferguson, Missouri (CNN) This is the new normal in Ferguson: Protests, day and night, for more than 70 days now.

Sometimes it's hundreds of demonstrators, sometimes just a handful. But they're always outside the Ferguson Police Department, clamoring for the indictment of Officer Darren Wilson in the shooting death of unarmed teenager Michael Brown.

And with new details about the investigation leaked, tensions are escalating.

On Monday night, two protestors were detained by St. Louis County police -- including Missouri State Sen. Jamilah Nasheed. She was detained as she blocked traffic in the middle of the street while protesting outside the Ferguson police department.

Now, there are fears about what could happen next.

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