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MIAMI, Florida — On paper, the 40-foot wide pedestrian bridge on Florida International University's campus was an engineering feat, boasting several superlatives.Here are some, as outlined by the university: 215

Mass shootings and acts of terrorism may dominate headlines, but it's the homicides and, to a lesser extent, the suicides that happen out of the spotlight that make up the bulk of firearm-related deaths around the world, according to a study published Tuesday in the journal JAMA. More gun deaths happened outside of war than in it during the years researchers examined (1990 through 2016) in 195 countries and territories.Worldwide, an estimated 251,000 people died by gun in 2016. In 1990, there were 209,000 firearm-related deaths. Accounting for population growth, that's an annualized rate decrease of 0.9 percent.Gun deaths are predominantly concentrated in six countries that make up less than 10 percent of the world's population. The United States, Brazil, Mexico, Colombia, Venezuela and Guatemala together account for more than half of the gun-related deaths worldwide.In 2016, the majority of global firearm deaths -- an estimated 64 percent -- were homicides. Suicides accounted for 27 percent of the gun deaths. A small fraction, about 9 percent of gun deaths, were accidental.If you were to look on a map, the highest numbers of gun-related homicides are concentrated in a belt that stretches from Mexico through the Caribbean to Brazil. Many of these homicides involve drug cartels, the authors suggest, and there's a problem with organized crime and the illegal gun trade.El Salvador saw the greatest concentration of gun-related homicides in 2016, with 38.9 per 100,000 people. By comparison, Singapore, the country that had the fewest, had 0.1 gun-related homicides per 100,000."The sheer magnitude of these deaths and the range in firearm-related deaths is extraordinary," said the study's senior author, Chris Murray, director of the Institute for Health Metrics and Evaluation at the University of Washington.The most vulnerable demographic to gun violence was men between 20 and 24 years old. Men were also the biggest perpetrators of gun violence.Suicide-by-gun rates declined globally between 1990 and 2016. Some countries, though, struggled with this public health crisis. In 2016, Greenland had the highest number of firearm suicides, with 22 deaths per 100,000 people. The US had the second-highest number, with 6.4 deaths per 100,000 in 2016."The US really has quite marked rates around suicide," Murray said. "That was a surprise to me."For perspective, the United States has 4.3 percent of the world's population, but suicide by gun there represented 35.3 percent of all firearm suicides in the world in 2016. By comparison, there were twice as many firearm suicides as gun-related homicides in 2016 in the US.Americans also own more guns per capita than residents of any other country, with about four in 10 Americans saying they either own a gun or live in a home with guns, according to a 2017 Pew Center study.Americans have been killing themselves more with guns over the past decade, but homicide numbers have been relatively flat. The US ranks 30th in the world for total number of homicides, according to the study.The highest increase in gun-related suicide rates in this time period was in Jamaica, and Singapore had the fewest gun-related suicide deaths. These numbers, Murray said, are an important reminder about how widespread this public health problem is.There is no one single trend behind gun violence. Drugs, alcohol, a lack of mental health services and domestic violence are often to blame, as is poverty, the study suggests."Places with high rates of firearm mortality that are getting worse tend to be places with weak government institutions, especially in the criminal justice system or social upheaval," Daniel Webster, who has written extensively about gun violence as director of the Johns Hopkins Center for Gun Policy and Research, wrote in an email. Other things that stood out from these numbers, he said, is that while the "measures aren't great," he said, "there is a connection: more guns, more gun-related deaths."Webster, who was not involved in the new research, added that the general downward trend in firearm mortality is something that stands out because "we tend to think of our current rates of gun violence as the worst ever, but there has been great progress" toward stemming some of this violence.Laws that seem to limit gun violence include ones that strengthen background checks and require permits for ownership, the study authors said. More restrictions on guns in Brazil and South Africa seem to suggest a link between a reduced access to gun ownership and a lower number of gun-related suicides and homicides. 4601

Lt. Gen. Laura J. Richardson has succeeded in breaking through a few glass ceilings in the U.S. Army. Now she's set to break a new one.For the first time in U.S. Army Forces Command, or FORSCOM, history, a woman will be leading the largest command in the Army, representing 776,000 soldiers and 96,000 civilians.This may be a first for the Army, but Richardson has had other firsts.She has been with the U.S. Army since 1986, and in 2012 she became the first female deputy commanding general for the 1st Cavalry Division, known as "America's First Team."In 2017, she became second in command to Gen. Robert B. Abrams, when she was named the first female deputy commanding general of FORSCOM in Fort Bragg, North Carolina, the U.S. Army reported.Now, Richardson will become the first female commanding general of the U.S. Army FORSCOM as Abrams steps down from his post, reported CNN affiliate WTVD.On Tuesday, Abrams announced he would be leaving his post to become commander of United States Armed Forces Korea. The farewell message was tweeted by FORSCOM."It has been an honor to serve these last three years as the commanding general, US Army Forces Command," Abrams' message read.Abrams also thanked FORSCOM soldiers for their work, as it increases "readiness of our Army across all three components -- regular Army, Army National Guard and U.S. Army Reserve."In her career, Richardson has served as an Army aviator, as the military aide to the vice president and as one of the Army's liaison officers to the United States Senate.CNN has reached out to the U.S. Army Forces Command for comment. 1606

McCain was a POW, Congressman, U.S. Senator, husband, and father in his life.Senator McCain spent 35 years of his life in Arizona’s politics. See 10 of his major political moments in his career.Take a look through each of the points in the timeline below: 273

LOUISVILLE, Ky. — Louisville, Kentucky, has banned the use of controversial "no-knock" warrants and named the new ordinance for Breonna Taylor.Taylor was fatally shot by Louisville officers who burst into her home in March. Her death, along with the deaths of Ahmaud Arbery and George Floyd, have sparked a largely peaceful protest movement across the country, calling for significant changes in policing and an end to systemic racism.Louisville Metro Council unanimously voted Thursday night to ban the controversial warrants after days of protests and calls for reform. According to NPR, the law also requires police to wear body cameras when serving warrants and turn them on five minutes before entering a person's home.Taylor was killed on March 13 when police served a no-knock warrant on her home as part of a narcotics investigation. Taylor's boyfriend, Kenneth Walker, fired at police, thinking they were intruders. Police returned fire and shot Taylor dead.No drugs were found at her home. No charges have been filed in connection to Taylor's death.Taylor's mother, Tamika Palmer, said the new law will save lives.Kentucky Sen. Rand Paul also introduced federal legislation Thursday that would ban the use of no-knock warrants nationwide. 1256