5 things to know for your New Day -- Tuesday, May 5

ISIS claims responsibility for Texas attack
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ISIS claims responsibility for Texas attack 01:07

(CNN)Questions swirl around Texas shooting. Two more Republicans jump into the 2016 race. And the newest princess has a name.

It's Tuesday, and here are five things to know for your New Day.

TEXAS, SHOOTING

    Who were they?: Who were the two men who tried to ambush a Garland, Texas, event featuring controversial cartoons of the Prophet Mohammed? One suspect, Elton Simpson, linked himself to ISIS in a tweet before the attack. The other man, Nadir Soofi, was Simpson's roommate in Phoenix. Investigators were combing through evidence retrieved from their apartment to help piece together a time line of how their plot came together. Simpson and Soofi were both killed by an off-duty officer before they could storm into the event.
    Texas gunman linked himself to ISIS in tweets
    Texas gunman linked himself to ISIS in tweets

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      Texas gunman linked himself to ISIS in tweets

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    Texas gunman linked himself to ISIS in tweets 03:45

    NYC OFFICER DIES

    'Exceptional': That's how New York Police Commissioner William Bratton described Brian Moore, the NYC officer who was shot while on duty during the weekend. Moore, 25, died yesterday. Moore was shot in the head when he and a fellow officer were trying to question a man in Queens. Moore had received two exceptional police service medals during his career. "We don't give them out easily," Bratton said. "He worked for them; he earned them." The man accused of the shooting, Demetrius Blackwell, was arrested and charged with first-degree attempted murder, charges likely to be upgraded with Moore's death.
    NYPD officer Brian Moore, who was shot in head, dies
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    NYPD officer Brian Moore, who was shot in head, dies 01:14

    PRESIDENTIAL RACE

    Two more in: The Republican presidential field got a little more crowded yesterday, with both retired neurosurgeon Ben Carson and former Hewlett-Packard CEO Carly Fiorina announcing their candidacies. Carson, in his hometown of Detroit, told supporters he wasn't going to be politically correct because he's "not a politician." He also retold the story of his rise from poverty to becoming a pediatric neurosurgeon at Johns Hopkins. Fiorina jumped into the race during an appearance on "Good Morning America," declaring she was best suited to be president because she understands "how the economy actually works." Neither Carson nor Fiorina has ever held elected office.
    How do Carson and Fiorina stack up in GOP race?
    How do Carson and Fiorina stack up in GOP race?

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      How do Carson and Fiorina stack up in GOP race?

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    How do Carson and Fiorina stack up in GOP race? 02:34

    BENGHAZI HEARINGS

    She wants to, but...: Hillary Clinton is willing to testify before the House committee investigating the Benghazi attack later this month. Rep. Trey Gowdy, the committee's chairman, wants Clinton to appear on two separate days -- one day to talk about Benghazi and on another day to discuss her private email server. But Clinton's lawyer nixed that idea, saying it made more sense for the former secretary of state and current presidential candidate to discuss both topics during a single appearance. The top Democrat on the panel, Rep. Elijah Cummings of Maryland, said yesterday that Gowdy "should take 'yes' for an answer and finally schedule the hearing." Gowdy and the panel are mulling their options.
    Gowdy calls for Clinton to testify twice
    Gowdy calls for Clinton to testify twice

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    Gowdy calls for Clinton to testify twice 02:07

    ROYAL BABY

    New name: Well, at least they didn't name her Anna or Elsa. Britain's newest princess, born on Saturday, has been named Charlotte Elizabeth Diana. The middle names hark to her great-grandmother, the current queen, and her paternal grandmother, Princess Diana, who died in 1997. Charlotte, a feminine form of Charles, is likely a nod to her grandfather, Prince Charles. Charlotte, who is fourth in line to the throne, will be called Her Royal Highness Princess Charlotte of Cambridge.
    What's in a name? For a princess ... a lot!
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      What's in a name? For a princess ... a lot!

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    What's in a name? For a princess ... a lot! 02:06

    Those are your five biggies for the day. Here are a few others that are brewing and have the Internet buzzing.

    What the...?: Man balances on a "Star Wars" droid while playing the "Star Wars" theme song on fire-breathing bagpipes. Don't try to figure it out, just click on it.
    Clever kitties: Cats opening fridges. Enough said.
    Beat it: This cat wandered into the wrong room.
    Paw Warz: Dogs recreate the original "Star Wars" trilogy.
    Trick shot: A man masters throwing things over his shoulder into a waste basket. A useless skill, but whatever...