Defense attorney Beau B. Brindley crossed to the wrong side of the law by coaching witnesses to lie in his clients’ trials, a federal prosecutor contended today.Brindley’s criminal activity, Assistant U.S. Attorney Michael J. Chmelar alleged, infected more than one case.“The lies were like a virus that spread from case to case to case,” Chmelar said during closing arguments in the trial of Brindley and his law partner, Michael J. Thompson. “And Mr. Brindley is Patient Zero.”But defense …