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crime.
• The man widely believed to be behind the aviation company is an ex-convict named Christian Esquino, 50, who has a long and checkered legal past. Corporate records list his sister-in-law as the company's only officer, but insurance companies that cover some of the firm's planes say in court documents that the woman is merely a front and that Esquino is the one in charge.
• Esquino's legal woes date back decades. He pleaded guilty to a fraud charge that stemmed from a major drug investigation in Florida in the early 1990s and most recently was sentenced to two years in federal prison in a California aviation fraud case. Esquino, a Mexican citizen, was deported upon his release. Esquino and various other companies he has either been involved with or owns have also been sued for failing to pay millions of dollars in loans, according to court records.
• The 43-year-old California-born Rivera died at the peak of her career when the plane she was traveling in nose-dived into the ground while flying from the northern Mexican city of Monterrey to the central city of Toluca early Sunday morning. She was perhaps the most successful female singer in grupero, a male-dominated Mexico regional style, and had branched out into acting and reality television.
• ___

• PORTLAND, Ore. (AP) -- His mother died before he was 3 years old, and he was estranged from the aunt who raised him. His dream of becoming a Marine was dashed by a broken foot, he hadn't yet settled on a career path, and a new plan, to move to Hawaii, ended when he apparently missed his flight.
• None of it, however, reveals a motive in Jacob Tyler Roberts' decision to put on a hockey-style mask, walk into a Portland mall and randomly shoot three strangers, killing two and wounding a third, before committing suicide.
• In the days since Tuesday's rampage, friends, relatives and neighbors have all said Roberts was a relaxed, friendly and outgoing guy. Police have yet to reveal if the young man known to all as Jake wrote a suicide note or left some hint of the violence he would unleash.
• "Of everyone in my entire life, if I could put them on a list of how crazy they are, how likely they are to snap, I'd put him at the very bottom," said Jaime Eheler, 26, the gunman's close friend and roommate. "He'd be the very last person."
• The Clackamas County sheriff's office said Roberts had several fully loaded magazines when he arrived at the mall as thousands did their Christmas shopping.

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