News Wrap: Authorities seek motive in Iowa police killings
Clip: 11/02/2016 | 2m 37s
In our news wrap Wednesday, investigators around Des Moines, Iowa, are seeking a motive in the ambush killings of two policemen. Also, South African President Jacob Zuma faced increasing public pressure to step down, after a state watchdog report found signs of corruption at top levels of the government.
Aired: 11/02/16
Expired: 12/02/16
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