A key witness in the murder case against an Arizona stockbroker accused of killing his ex-wife speaks out on network television for the first time in an interview with "48 Hours." Maureen Maher ... more 
A key witness in the murder case against an Arizona stockbroker accused of killing his ex-wife speaks out on network television for the first time in an interview with "48 Hours." Maureen Maher reports. less 
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Wed, Jun 4, 2014 12:37 AM EDT