Sound Expert Mark Oviatt Testifies for Wayne Williams Defense in Atlanta Child Murder Trial 2/20/82
Voiceover: An overview of various testimonies in the trial of suspected child murderer Wayne Williams. Footage: Cars driving over a bridge; a part of the bridge; a sketch of Williams and his car; courtroom sketches of Al Binder and Mary Welcome, Atlanta Police recruit Bob Campbell, a sound expert, and Assistant District Attorney Jack Mallard; people in a room.
Atlanta Missing and Murdered Children Story
Reporter: Bjorkman, Ernie
Expert Says Police Should Have Heard Car
Feb. 21, 1982
An expert on sound testified today that Wayne B. Williams could not have sneaked his car onto a Chattahoochee River bridge to dump a body because a noisy metal expansion joint in the bridge would have given him away.
In a special Saturday session, Mark Oviatt, an acoustical engineer, testified that Robert Campbell, a police recruit who said he heard a ''big loud splash'' in the river last May 22 and saw Mr. Williams's car on the bridge, should have heard the car before he heard the splash, unless he was asleep.
Prosecutors contend the splash was made by the body of Nathaniel Cater, 27 years old. Mr. Williams is also charged with killing Jimmy Ray Payne, 21.
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