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Hey there from CNN, I'm Chris Deboau with the five things you need to know for

Thursday February 22nd. This just in before we published, Alexi Navalny's

mother says she saw her son's body yesterday when she visited the morgue and

signed his death certificate.

She also claimed that investigators were threatening her into agreeing into a secret funeral

for her son or quote they will do something with my son's body.

We'll have more on this story in the 3 p.m edition or on CNN.com.

AT&T's network went down for many of its customers

across the US this morning,

leaving them unable to call, text, or access the internet.

There's no indication the outage was a result

of a cyber attack or other malicious activity, though. That's according to an industry source, who

says the issue appears to be related to how cellular services hand off calls from

one network to the next, a process known as peering. CNN's Brian Fung has more.

...