SAN DIEGO, Calif. (KESQ) - A former San Diego resident and CEO of a currency exchange business was arrested today for allegedly hiring hitmen to murder someone. Marcos Arturo Kleiman Tronllan, 40, CEO of MoneyFlip LLC, formerly known as MXN Financial LLC, allegedly paid undercover federal agents to kill a Mexican businessman over money Kleiman claimed the man owed him, according to the U.S. Attorney's Office. Earlier this week, agents showed Kle…