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A Miami real estate titan, who authorities said had waged a five-year campaign to kill his estranged wife, was found dead last month as FBI agents who planned to arrest him in an early-morning raid entered his $8 million waterfront mansion.

Attorneys for Sergio Pino, 67, claim federal law enforcements aggressive, unprecedented and unnecessary response led him on July 16 to kill himself. They dispute that he conspired to kill his wife even as a 911 call released last week captured his adult daughters horrified reaction to an alleged hitman at her mothers home.

Theres a gun, theres a guy with a gun, please, Alessandra Pino pleads to a 911 dispatcher before saying she feared her mother might be shot.

Investigators said in court documents that they began investigating Sergio Pino in July 2022 for multiple contracts to kill his wife, Tatiana Pino, 55, dating back to 2019 and continuing through this June, an FBI agent said in an arrest warrant for one of his alleged co-conspirators. Their attacks included poisoning, arson, a hit-and-run and two gun-related attempts, authorities said in court documents. Alessandra Pino who called 911 on June 23 after she said one suspect grabbed her and pointed a gun at her head and Tatiana Pinos sister were also allegedly victims of the various schemes, which included at least one threatening letter and vandalism.