5 Things to Know This Morning

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

1. How Mary Kay Letourneau Went From Having Sex With a 6th Grader to Becoming His Wife

Mary Kay Letourneau Fualaau made national headlines in 1996 when she became pregnant with the child of her then-13-year-old student, Vili Fualaau.

After their affair was made public, Mary, a former teacher in Seattle, went to prison for nearly eight years and gave birth to two of Vili’s daughters, one of which was born behind bars. Vili was just 15 years old when their second child was born.

The couple married in 2005, just 10 months after Mary was released from prison, and they will soon be celebrating their 10th wedding anniversary. Mary is 53 and Vili is 31.

2. Boston Marathon Bombing Survivors React to Dzhokhar Tsarnaev's Guilty Verdict

A number of Boston Marathon bombing survivors turned to social media to share their emotional reactions to the jury’s decision that Dzhokhar Tsarnaev is guilty of all 30 counts relating to the 2013 attack.

Survivors who lost limbs and relatives of the three spectators who died in the bombing were a constant presence at Tsarnaev’s trial, a handful of whom took the stand during the prosecution’s case.

The verdict reached by the jury does not put an end to the trial, as the second phase -- the penalty phase -- will determine whether Tsarnaev will be put to death. The penalty phase will begin “early next week,” the judge said.

3. Walter Scott Shooting: Breaking Down the Witness Video Frame by Frame

The cellphone video of the moments when the encounter between a South Carolina police officer and a driver turned deadly was acknowledged by officials as a determining factor in the decision to fire the officer and charge him with murder.

The dramatic video is shot from a distance and shows both when officer Michael Slager began shooting at Walter Scott and the immediate aftermath as other officers arrived on the scene and began to process what happened.

There are some critical moments during the minutes-long footage that call for closer inspection.

4. Secret Service Supervisor Placed on Leave After Allegations of Unwanted Sexual Advances

A senior Secret Service supervisor was placed on administrative leave after being accused of making unwanted sexual advances against a subordinate, ABC News has learned.

The matter is being investigated by the Department of Homeland Security Inspector General’s Office, a Secret Service spokesperson said. The incident – which allegedly took place at an office following a party – was reported on April 2, and interviews were conducted that day.

The agent’s security clearance was also suspended, the spokesperson said.

5. Mom of 6 Has Perfect Reaction to Learning She's Finally Having a Girl

Finally.

Cher Lair, a mother of six in Apex, North Carolina, was so excited to learn she was finally having a girl that she fell to the floor during her gender reveal party Monday. Video captured her asking "Are they kidding? Is this a joke?" when she saw pink inside the cake at her party.

She told ABC station WTVD-TV that she and her husband had given up on ever having a daughter.

"Initially, on baby three and four I'm thinking, 'They'll be a girl at some point. They can't all be boys.' But after four and five and six, you're kind of thinking, 'Yeah, they can,'" she told WTVD-TV.