Baah was the Assemblyman of Denkyira Obuasi at the time Major Mahama was killed.
He is standing trial with 14 others for the death of the military officer.
At Thursday’s sitting, the court, presided over by Mrs Justice Mariama Owusu, specifically ordered Vodafone to produce records of telephone calls made by Baah on May 29 and 30, 2017.
The order was directed at the Head of Disclosure Department of Vodafone.
According to the court, the order was to help Baah put up an effective defence.
The order followed an application by Baah’s lawyer, Mr George Bernard Shaw.
-Graphic