Son may have killed parents over gas money

April 22, 2011 3:08:32 PM PDT
An argument over $5 in gas money may have led to the death of a Wisconsin couple.

Denis Markov of Mequon, which is near Milwaukee, is charged with shooting his parents to death.

According to a criminal complaint, he told police he asked his father for gas money. When his father refused, the two got into an argument and the son allegedly shot him.

When his mother returned from errands, Markov allegedly shot her, too.