A computer algorithm that can identify patterns in the social media activity of Islamic State supporters could provide clues about where terrorist attacks are likely to occur. Scientists have found they can spot distinct behavioural patterns in the interactions between groups on social media, and it could even help them predict'lone wolf' attacks'. Social media has been a key tool for organisations like Isis to help them recruit supporters and coordinate their activities. Scientists at the University of Miami have used equations used in physics and chemistry to track the constantly shifting behaviour of supporters of Isis (Isis flag pictured). While law enforcement authorities have attempted to keep track of Isis members using social media, they have tended to focus on monitoring the posts made by individuals.

As more information continues to pour in about what happened at Pulse nightclub in Orlando, here's what we know about the shooter, Omar Mateen. The logo of Jack'd, an online dating and chat app for gay men. According to some reports, Orlando shooter Omar Mateen used the app to message men in the months prior to the shooting. SAN FRANCISCO -- The CEO of Jack'd, a Tinder-like gay chat and dating app, says he hasn't been contacted by law enforcement since reports surfaced late Monday Orlando shooter Omar Mateen might have been using the app for at least a year. The service also hasn't been able to substantiate Mateen had been a member, said Hector Camacho, CEO of Jack'd parent company Online Buddies. According to the Los Angeles Times, Mateen, 29, had messaged at least one regular Pulse patron sporadically over the past year using the Jack'd app.

As more information continues to pour in about what happened at Pulse nightclub in Orlando, here's what we know about the shooter, Omar Mateen. The logo of Jack'd, an online dating and chat app for gay men. According to some reports, Orlando shooter Omar Mateen used the app to message men in the months prior to the shooting. SAN FRANCISCO -- The CEO of Jack'd, a Tinder-like gay chat and dating app, says he hasn't been contacted by law enforcement since reports surfaced Tuesday that Orlando shooter Omar Mateen might have been using the app for at least a year. The site also hasn't been able to substantiate that Mateen had been a member, said Hector Camacho, CEO of Jack'd parent company Online Buddies.

Chris Drozd, left, and Stefan Salvatore leave flowers and pictures for victims of the nightclub shooting on Sunday, at the Dr. Phillips Performing Arts Center, Monday, June 13, 2016 in Orlando, Fla. A gunman opened fire in a crowded Orlando nightclub early Sunday killing dozens of people. President Barack Obama, left, speaks to members of the media in the Oval Office of the White House in Washington, Monday, June 13, 2016, after getting briefed on the investigation of a shooting at a nightclub in Orlando by FBI Director James Comey, right, Homeland Security Secretary Jeh Johnson, not shown, and other officials. Craig Federighi, Apple senior vice president of software engineering, speaks at the Apple Worldwide Developers Conference in the Bill Graham Civic Auditorium, San Francisco, Monday, June 13, 2016. Omar Mateen, who killed 49 people at the club in Orlando, Florida, claimed to support Islamic State extremists, as well opposing groups such as Hezbolla and Nusra Front.

Omar Mateen, who killed 49 people at the club in Orlando, Florida, claimed to support Islamic State extremists, as well opposing groups such as Hezbolla and Nusra Front. Large crowds gather for the "OneOrlando Vigil" in the city where the rampage occurred, while other memorials are being held across the country. Officials scrutinized Omar Mateen for making radical, violent statements in 2013, then investigated him again in 2014 because he was casually acquainted with a suicide bomber. Donald Trump vows to impose bans on immigrants from parts of the world associated with terrorism, while Hillary Clinton warns that demonizing all Muslims would only play into the hands of extremists. Former British Prime Minister Gordon Brown calls for Labour Party supporters to vote to stay in the European Union.