Orlando nightclub shooting What motivated Omar Mateen Orlando, Florida CNNWhile the bodies of Omar Mateens victims were removed from Pulse nightclub overnight, investigators worked Monday to determine what motivated the Florida killer responsible for the worst mass shooting in U. S. history a man the FBI knew was sympathetic to terrorism and had previously investigated. The attack appears to be homegrown terrorism carried out by legally purchased firearms, President Barack Obama said in the Oval Office. He said there wasnt any evidence the attacker was under direction from a terrorist network, or carrying out any groups larger plot. In Washington, FBI Director James Comey defended the agencys investigation of Mateen, a 2. Fort Pierce, Florida, who was placed on a terror watch list and was looked into twice. Agents found no reason to think he was a credible threat, Comey said. Investigators are highly confident the gunman was self radicalized through the internet, Comey said. According to one official, analysis of Mateens electronic devices showed searches for jihadist propaganda, including videos of ISIS beheading videos and of Anwar al Awlaki an influential American born imam who worked as a spokesman for al Qaeda in the Arabian Peninsula and was killed in 2. He consumed a hell of a lot of jihadist propaganda online, the source said. The presumptive presidential nominees weighed in. Democrat Hillary Clinton called for a ban on assault weapons and Republican Donald Trump once again said the United States needs to ban Muslims from entering the country. In Orlando, people grappled with the magnitude of the horror One man armed with an assault rifle and a pistol managed to kill 4. Watch Trumps Drug Czar Nominee Under Scrutiny After Opioid Investigation, a CBSN video on CBSNews. View more CBSN videos and watch CBSN, a live news stream. A massive open online course MOOC m u k is an online course aimed at unlimited participation and open access via the web. In addition to traditional course. In a wideranging interview with Hunter Walk, Director of Product Management at YouTube, we discussed the true size and scope of the video platform, his. Analysis While ratings agencies watch Canadian banks, we should watch them Don Pittis. Tatang.jpg' alt='Watch Homegrown Online Forbes' title='Watch Homegrown Online Forbes' />I spend 340 nights a year in hotels searching for the latest and greatest in the travel industry. My writing and photographs have appeared in print, online. Visit to the Casio GShock watch factory in Japan everything you need to know about the iconic and super durable GShock watches. Orlando, Florida CNNWhile the bodies of Omar Mateens victims were removed from Pulse nightclub overnight, investigators worked Monday to determine what. Gmail is email thats intuitive, efficient, and useful. GB of storage, less spam, and mobile access. B20430400000578-3186179-image-m-28_1438792325587.jpg' alt='Watch Homegrown Online Forbes' title='Watch Homegrown Online Forbes' />But there were elements of hope. Susan Forbes, spokesman for the One. Blood bloodbank, said 5,5. Blood was collected in Orlando until 4 a. Monday, she said. People want to help, she said. Screen-Shot-2017-03-20-at-3.05.20-PM.jpg?width=960' alt='Watch Homegrown Online Forbes' title='Watch Homegrown Online Forbes' />This is Orlando. That horrific event is not our city. The nightclub itself was unapproachable because its a crime scene, but dozens of bouquets had been left beside the sign of Orlando Regional Medical Center, where many of the wounded were taken. At the First Unitarian Church of Orlando, free counseling was offered by Two Spirit, a group that works with the local LGBT community. David Baker Hargrove of Two Spirit said turnout was light so far but he expects that to change. Our community is still in shock, he said. Vigils were held across the world as the names of those killed at the club were released and survivors described the horror of the massacre. In Paris, a city that knows the pain of terror, half the Eiffel Tower was lit in the colors of the U. S. flag and the other half in the colors of the rainbow flag. Earlier, officials had said the dead numbered 5. Authorities said Mateen entered the club about 2 a. Sunday with the guns. After an initial bout of shooting, he engaged in a three hour hostage situation with police until they finally crashed into the building with an armored vehicle and killed Mateen. He was cool and calm when he was making those phone calls to us, Orlando police Chief John Mina said. Cid Episode 1267 Youtube'>Cid Episode 1267 Youtube. We had a team of crisis negotiators that did talk to the suspect just trying to get as much information as possible. He really wasnt asking for a whole lot. We were doing most of the asking. The weapons found with the shooter have been identified by investigators as a Sig Sauer AR 1. Glock 9mm semiautomatic pistol. He legally bought the rifle and pistol in the past couple weeks, authorities said. Theres no evidence the Sig Sauer AR 1. In addition, authorities found a. Smith Wesson revolver in the shooters car that was not used in the attack. When he bought the guns at a Fort Pierce gun shop, Mateen went through a full background check, said shop owner Ed Henson. Published reports said Mateen tried to purchase body armor, but Henson said his shop doesnt sell that product. Watch Singles Online Free HD'>Watch Singles Online Free HD. Law enforcement officials also said Mateen spent several hours Saturday at Disney Springs the shopping and entertainment complex inside the Walt Disney World Resort prior to the attack, according to cell phone tower data. Mateen is believed to have been alone during that period, according to the officials. Chris Callen, a performer whod worked at Pulse, told CNNs Anderson Cooper hed seen Mateen a couple times at the nightclub. Callen said he once he introduced himself and Mateen was very friendly and that he seemed comfortable there. Callen estimated hed come to to the club two times a month for a period of three years. Four regular patrons at Pulse also told the Orlando Sentinel they had seen Omar Mateen there before. In interviews with the newspaper, they said that hed been there multiple times. Prior visits to Pulse are a line of inquiry investigators are pursuing, sources involved in the investigation told CNNs Jim Scuitto and Evan Perez. The security company that hired Mateen said it conducted background checks in 2. G4. S says the background check also included a psychological evaluation called the Minnesota Multiphasic Personality Inventory. The company said he worked security at a gated community. ISIS sympathizers have reacted by praising the attack on pro ISIS forums, while the official online ISIS radio channel, Al Bayan, described it as a raid on a Crusader gathering carried out by one of the Caliphates soldiers in America. During the standoff, Mateen called 9. ISIS. He also mentioned the Boston Marathon bombers. But thats confusing because Mateen also claimed connections to other extremists groups, some of which are considered enemies and rivals of ISIS, Comey said. FBI agents first interviewed Mateen in 2. He admitted making the remarks but said he was angry because his co workers were teasing him because he was Muslim, Comey said. Two months later, in July 2. Florida man whod blown himself up in Syria in support of al Nusra Front, an al Qaeda affiliate also considered an ISIS rival. The suicide bomber knew Mateen, investigators discovered, but those ties were not of any consequence, Comey said. Survivors of the attack shared their stories. One person hiding in the bathroom covered herself with bodies for protection. Nikita The Tv Series here. Some entertainers hid in a dressing room when the shooting started and escaped the building by crawling out when police removed the air conditioning unit. People trapped inside the club desperately called and messaged friends and relatives. Some clubgoers said they thought they were going to die.