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Darline Graham, Lindsey Graham’s sister, sworn in to serve remainder of his Senate term

(CNN) — Darline Graham, the late Sen. Lindsey Graham’s younger sister, was sworn into the Senate on Tuesday to serve out the remainder of her brother’s term after his sudden death over the weekend.

She was appointed to the seat by South Carolina Gov. Henry McMaster and will remain in the Senate until January 2027. Graham is the first woman to represent South Carolina in the Senate. As she serves out the remainder of her brother’s term, a special primary election will take place August 11 to replace the late Republican lawmaker in November’s general election to determine who will next hold the seat for the upcoming six-year term.

Asked by CNN how she is doing and what the moment is like for her, Graham said, “Hanging in there, appreciate you being here,” as she left the Senate floor following her official swearing in.

Graham, 62, has not previously held elected office but has a long history of public service in the state of South Carolina. She has served as a commissioner for the South Carolina Commission for the Blind and has long worked with people with disabilities.

After their parents died within 15 months of each other, she became orphaned at age 13 in 1976. Lindsey Graham — the first in his family to attend college, and a member of the Reserve Officers’ Training Corps — became his sister’s legal guardian.

The siblings were close their entire lives, Darline Graham told CNN’s Dana Bash in a 2015 interview after her brother launched his bid for the 2016 Republican presidential nomination. “Even when my parents were alive, they worked really long, hard hours running a small business. So even then, he was a caregiver to me,” she said.

Lindsey Graham, a longtime Republican from South Carolina and ally of President Donald Trump, died following an aortic dissection, according to a preliminary finding from the Washington, DC, medical examiner. He was 71.

Throughout US history, governors have at times chosen family members to take over Senate seats for their loved ones, frequently with a spouse picked to step in. Former Vice President Hubert Humphrey’s wife is one example; Muriel Humphrey filled her husband’s Senate seat after he passed away, as did Hattie Caraway after her husband died in office in 1931. Caraway went on to become the first woman elected to the Senate in her own right in 1932.

Lincoln Chafee was appointed to fill his father’s Rhode Island Senate seat. Sen. Lisa Murkowski was appointed by her own father to take over his Senate seat after he became Alaska’s governor in 2002 — a controversial decision at the time.

The Senate chamber during Graham’s swearing in on Tuesday was a testament to the respect her new colleagues held for her late brother. Almost every Republican seat was filled, and many Democrats attended as well. Jared Kushner and Special Envoy Steve Witkoff, both of whom had worked with the late Sen. Graham on international issues, sat in the galleries. Secretary of State Marco Rubio, a longtime colleague of Lindsey Graham, and Treasury Secretary Scott Bessent, a fellow South Carolinian, joined senators on the floor during the ceremony. Several House members from South Carolina also attended, including GOP Reps. Ralph Norman and Joe Wilson as well as Democratic Rep. Jim Clyburn.

Senate Democratic Leader Chuck Schumer spoke with Darline Graham just before the ceremony, and GOP Sens. Katie Britt and Tim Scott escorted her to the dais, where Sen. Chuck Grassley administered her oath of office. Graham’s family in the gallery was emotional, as was Sen. Joni Ernst, who held tissues in her hand. The chamber rose to a standing ovation after the oath was administered, and Britt and Scott led Graham to her late brother’s desk. Scott placed the Bible Graham had used during her swearing in on the desk, resting his hand on it for a moment.

After Senate GOP Leader John Thune and Senate GOP Whip John Barrasso had shaken Graham’s hand, other senators crowded around to introduce themselves and say hello. They eventually formed two lines, with Graham alternating between each to greet her new colleagues. As the Senate began voting on advancing the annual defense policy package, senators were still taking turns to speak with her.

This story has been updated with additional details.

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Luigi Mangione says he will plead guilty in federal case, admits shooting Brian Thompson

▶ Watch Video: CBS News New York Luigi Mangione told a judge Friday he is prepared to plead guilty in his federal case at a court appearance in Manhattan Friday morning. Mangione, 28, faced both federal and state trials in New York for the deadly 2024 shooting of UnitedHealthcare CEO Brian Thompson outside a Midtown Manhattan hotel. He had previously pleaded not guilty in both cases.What happened in courtThompson's family arrived in the courtroom at around 10:50 a.m. The hearing, which had been set to start at 11 a.m., got started a bit late. The courtroom had filled press personnel as well as about two rows of members of the public. Mangione entered the court at around 11:10 a.m. with his feet shackled and his hands behind his back. He was wearing tan prison clothing with a white T-shirt underneath. Just before 11:15 a.m., Mangione's defense team told the judge Mangione "is prepared to plead guilty to the indictment at this time." The judge asked Mangione if that was correct. "Yes," Mangione told the judge. The judge then asked Mangione a series of questions about his background and use of medications and drugs. The judge then found Mangione to be fully competent to enter the plea. The judge then told Mangione that the maximum possible sentence is life in prison followed by supervised release. The judge added that there's no parole in the federal, although good behavior and other programs can impact how long he will spend in prison. He will be required to serve 85% of the sentence, the judge said. The judge pointed out that there's no plea agreement between the defense and prosecution, and Mangione's defense attorney said that's correct. Mangione's admission in courtMangione then told the court in his own words what he did. He told the court that he had for years endured severe pain for a boken back and had navigated the health insurance system. H e told the court he learned about the UnitedHealthcare annual investor conference in New York even though it wasn't publicized, and traveled to it. He told the court he posed as an investor to find out more information about the conference. He told the court he used a 3D printer to make parts of the gun, and traveled to New York with the gun, silencer, and magazine with "the intent to shoot Brian Thompson." He said he shot Thompson in Manhattan. About the chargesMangione initially faced four federal charges in Thompson's killing. Two of those charges against him, one of which brought the possibility of the death penalty — murder through use of a firearm and an additional firearms charge — were dismissed earlier this year, and federal prosecutors said they would not appeal that decision.That left federal stalking charges against him, which brought the possibility of life in prison without the possibility of parole.Jury selection in the federal case had been set to begin in January. Speculation about a possible plea deal had been rampant since Tuesday, when prosecutors and Mangione's defense team sent a letter to the court requesting a Friday conference regarding the federal case.What the federal plea deal means for Luigi Mangione's state trialThe plea deal will put an end to the federal trial and raises questions about Mangione's state trial, which is set to begin in September.The state case, in which he faces second-degree murder charges, among others, also carries with it the possibility of life in prison.The plea deal, however, may revive a double jeopardy argument, CBS News legal contributor Caroline Polisi said on "CBS Mornings" Thursday.Double jeopardy refers to a law stating "a person may not be twice prosecuted for the same offense," although there are a number of exceptions. "Luigi Mangione's defense team had made that argument in the state case prior, and this could revive it, because if you actually have a conviction on the federal case, it's a more robust double jeopardy protection in the New York state case. So we could see a motion there that could kick this state case back," Polisi said.Legal expert Rich Schoenstein, however, said he thinks the double jeopardy argument is "open and complicated and subject to debate." Schoenstein said that's because the federal charges Mangione is pleading guilty to are related to interstate matters and stalking, which are quite different than the second-degree murder, weapons and forged instrument charges he's facing on a state level. "So the weapons and forged instrument charges would not be resolved by the federal plea, and arguably the intentional killing charge would not be resolved. I do think there's a serious question as to whether this would be double jeopardy," Schoenstein said.The plea deal, however, may "put some pressure" on New York prosecutors to reach a deal too, "and therefore it could resolve the case on a negotiated level." Evidence in the Luigi Mangione caseKey evidence seized during Mangione's Pennsylvania arrest had been expected to be admitted in the federal trial, including a 3D-printed handgun, loaded magazine, a notebook and more.Thompson, 50, was killed on Dec. 4, 2024, as he arrived at a hotel for UnitedHealth Group's annual investor conference. The killing  of the husband and father of two was caught on surveillance video, which showed Thompson being shot in the back as he walked down the street. Police say the words "delay," "deny" and "depose" were written on the ammunition, echoing a phrase used to describe how insurers avoid paying claims.Thompson's killing set off a frantic multistate manhunt that ended with Mangione's arrest at a McDonald's in Altoona, Pennsylvania, five days later.This is a developing story. Check back soon for more information. 
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