"The officers took off their shirts, shoes and belts off, carefully folded their shirts, shined their shoes, at first removed their pants then changed their minds, then jumped into the river. By the time they reached him, he had gone under."
Give 'em a medal if they had a smoke before getting wet...
(Can't ya just imagine the radio chatter. "Nope, HQ. Don't look like we got a floater...")