bakr al-baghdadi. but officials say the couple actually had to conduct an online search that very morning, who is the leader of isis. who it was. >> reporter: two lone wolves, who died in a fierce gun battle with police, after killing so many. >> just incredible that was a year ago tomorrow. brian here with us tonight. they had more terror planned that day. >> that's right, david, according to authorities they left behind three pipe bombs in that conference room and before they were stopped by police, they were circling the neighborhood to detonate those bombs and take more li >>> still much more ahead on "world news tonight" this evening. the health alert for buzz aldrin. >>> the manhunt for a bombing suspect. new surveillance images revealed tonight. >>> the abc news exclusive that husband of the missing mother speaking out and what he now says happened moments after the kidnapper pushed her out of the how she got help. >>> prince harry and rihanna, what they did today with the world watching and the

. >> reporter: a short time later, facebook, pledging alegion yanss to isis leader abu bakr al baghdadi. but officials say the couple actually had to conduct an listen search that very morning. who is the leader of isis. >> maybe they didn't know who it was. >> reporter: two lone wolves. who died in a fierce gun battle with police after killing so many. and the couple had more terror in mind. authorities say they left behind three pipe bombs in conference room. when they were stopped by police, they had been circling the neighborhood for hours, trying to remotely detonate those bombs and take more lives. brian ross, abc news, new york. >>> coming up in our next half hour, sexual harassment at work. government numbers now showing a stunning 60% of women say they've experienced harassment on the job. one diverse group of women shining a light on what they're some of the darkest eights in mearge history. what natalie portman is saying about portraying one of america's most beloved first ladies in her hours of unimaginable grief. you're watching "world news ? >>> and a good early morning to