A question about whether God forgives murderers was part of a preliminary hearing in the 1980 killing of a South Lake Tahoe gas station attendant. The question was posed to Jenna Weller by Andrew Sanford during a conversation the former roommates had during the summer of 2010, according to Weller’s testimony in El Dorado County Superior Court in Placerville Tuesday. Sanford is accused of killing 16-year-old Richard Swanson during the robbery of the former South “Y” Shell station Aug. 14, 1980. El Dorado County prosecutors charged Sanford with murder in connection to Swanson’s death in March. Sanford, who was 50 …