Nassau County Executive Edward Mangano, his wife, Linda, and Oyster Bay Town Supervisor John Venditto were arrested Thursday, Oct. 20, 2016, in connection with a 13-count federal indictment on charges including conspiracy to commit bribery, bribery, conspiracy to commit honest services fraud and honest services fraud, according to sources familiar with the case.

Credit: James Carbone

Nassau County executive Edward Mangano, outside the federal courthouse in Central Islip after being released on $500,000 bail, after being charged with corruption on Thursday, Oct. 20, 2016.

Credit: James Carbone

Oyster Bay Town Supervisor John Venditto , leaves the federal courthouse in Central Islip after being released on $500,000 bail, after being charged with corruption on Thursday, Oct. 20, 2016.

Credit: James Carbone

Nassau County executive Edward Mangano, speaks to the media outside the federal courthouse in Central Islip after being released on $500,000 bail, after being charged with corruption on Thursday, Oct. 20, 2016.

Credit: James Carbone

Oyster Bay Town Supervisor John Venditto is led out of the FBI offices in Melville on Thursday, Oct. 20, 2016.

Credit: James Carbone

Linda Mangano, the wife of Nassau County Executive Edward Mangano, is led out of the FBI offices in Melville on Thursday, Oct. 20, 2016.

Credit: James Carbone

Nassau County Executive Edward Mangano and his wife Linda arrive at the FBI offices in Melville on Thursday, Oct. 20, 2016.

Credit: Howard Schnapp

Nassau County Executive Edward Mangano with his wife Linda surrender at FBI headquarters on Thursday, Oct. 20, 2016 in Melville.

Credit: James Carbone

Nassau County Executive Edward Mangano is led out of the FBI offices in Melville on Thursday, Oct. 20, 2016.

Credit: Howard Schnapp

Nassau County Executive Edward Mangano, right, and his wife Linda leave their Bethpage home as they head to the FBI offices in Melville on Thursday, Oct. 20, 2016.

Credit: Howard Schnapp

Nassau County Executive Edward Mangano and his wife Linda arrive at the FBI offices in Melville on Thursday, Oct. 20, 2016.

Credit: Howard Schnapp

Town of Oyster Bay Supervisor John Venditto leaves FBI headquarters on Thursday, Oct. 20, 2016 in Melville.

Credit: Howard Schnapp

Nassau Republican officials called Thursday, Oct. 20, 2016, for the resignations of Nassau County Executive Edward Mangano and Oyster Bay Town Supervisor John Venditto, both of who have been indicted on corruption charges. The officials are, from left, Flower Hill Mayor Elaine Phillips, a State Senate candidate; Sen. Kemp Hannon, Garden City; Senate candidate Chris McGrath; State Sen. Jack Martins, Old Westbury, a candidate for Congress,  and State Sen. Carl Marcellino, Syosset.

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