5 Things to Know This Morning

Oct. 4, 2013— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Capitol Suspect Suffered From Post-Partum Depression
Miriam Carey, the woman killed by police after a high-speed chase through Washington, D.C. that led to a lockdown of Capitol Hill, suffered post-partum depression following the recent birth of her daughter, the suspect's mother told ABC News.

2. Karen Threatens US During Quiet Hurricane Season
Tropical Storm Karen was poised to become the first named storm to hit the U.S. during what had been a relatively quiet hurricane season.

3. President Obama Cancels Entire Asia Trip
U.S. Secretary of State John Kerry is filling in for President Obama at heads of state summits in Asia.

4. Twitter Reveals $1B IPO Plan
Twitter released its S-1 or IPO filing--over 235 pages of information about the core business and financials of the company built around 140-character messages.

5. Jane Fonda to Receive AFI Achievement Award
Jane Fonda will receive the American Film Institute's 42nd Life Achievement Award, one of Hollywood's highest honors.