OKLAHOMA CITY -- A man who gunned down a Southwest Airlines employee outside of Oklahoma Citys airport likely killed the victim in retaliation for circumstances that led to the attacker leaving his job with the airline last year, police said Wednesday.Lloyd Dean Buie, 45, killed 52-year-old Michael Winchester on Tuesday as Winchester was leaving work for the day and walking to an employee parking lot, police Capt. Paco Balderrama said at a news conference. Buie fired the shot from the fourth floor of a parking garage when Winchester was about 50 yards away, he said. Buie was later found dead in his pickup truck in the garage.Buie resigned from Southwest Airlines in April 2015. Balderrama said Winchester wasnt Buies immediate supervisor, and though the circumstances surrounding Buies departure were not immediately available, he said investigators believe they were the reason behind the attack.Winchester, whose address is listed as Washington, Oklahoma, about 35 miles south of the airport, was a former University of Oklahoma football player whose son James is a long-snapper for the Kansas City Chiefs. The team tweeted Tuesday night: Our love and support is with James and the entire Winchester family.The 1 p.m. shooting set off a scramble at Will Rogers World Airport, with police immediately closing the sprawling complex and asking passengers inside to seek cover. They diverted incoming flights and refused to give already-loaded aircraft permission to leave. There were concerns the gunman might have entered the terminal and mingled among passengers or employees.Police found Buies red pickup truck in the parking garage about three hours after the shooting. They used a robot to determine he was dead inside it before giving the all-clear.The attack led to the cancellation of 25 flights. Normal airport operations resumed Wednesday.The airport handles between 7,000 and 8,000 passengers daily for Alaska, Delta, Southwest and United airlines and has a separate terminal that serves as a transfer center for federal inmates. A jet carrying inmates to the transfer site was allowed to land while the rest of the airport was shuttered.Michael Winchester was a punter on the University of Oklahomas 1985 national championship team.Our hearts are truly heavy for the entire Winchester Family. Mike was a former Sooner student athlete as was his son James/daughter Carolyn, the schools athletic director, Joe Castiglione, tweeted Tuesday afternoon. He added daughter Becca was also a student athlete. Please keep this beautiful family in your prayers in a later tweet.---Associated Press writers Ken A. 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LOUIS -- The New Orleans Saints looked like a team playing out the string.Coach John Aloisi said it best, albeit in disgust: the only way is up for Brisbane.It is true in the literal sense - Sundays 4-0 mauling by unfavoured Newcastle has left the Roar second-last on the A-League table, with just one point and an unenviable goal difference to show for their first two games.And from a performance perspective, it was close to rock bottom.After sitting through 90 minutes of lethargy, wasted possession and costly defensive deficiencies, Aloisi looked less angry than utterly shell-shocked.Thats definitely the worst Ive seen the team play, he said.There was nothing positive out of that, nothing positive at all.The only good thing is we can get better from the performance, because there was nothing good about that.While the Jets were sharp, their Andrew Nabbout-led attack a constant threat, Brisbanes display was a textbook capitulation many times removed from the never-say-die attitude usually proffered by Aloisis semi-finalists.Jack Hingertts first-half own goal started the decay and paved the way for Newcastle to score thrice within 24 minutes after the break.dddddddddddduspended captain Matt McKays midfield energy was no doubt sorely missed.And if Tommy Oar at least tried to look dangerous in a rare start ahead of veteran Thomas Broich, the rest of the squad will hope they quickly forget what went down at McDonald Jones Stadium.What Im disappointed in is we let it happen, Aloisi said.There wasnt a reaction to say `not good enough. We didnt turn up.Im not going to point a finger at any individual because at the end of the day Im responsible, but I wont accept that type of performance.The focus now shifts to Central Coast, where the Roar will attempt to rescue both points and some pride while turning around a poor away record that cost them last seasons Premiers Plate. ' ' '