72 Hours, 10 Potential Bombs And Lots Of Questions. Here’s What We Know

(CNN) — A series of pipe bombs and suspicious packages intercepted this week left the nation stunned and authorities hunting for a serial bomber who is targeting prominent Democratic figures and CNN.
Authorities intercepted all packages before they were delivered to their intended targets. None of the bombs detonated, and no one was injured.
Here’s a breakdown of everything we’ve learned all week:
How many packages have been sent so far?
Authorities have intercepted a