Twice in just over a year, Andy Appiah-Kubi has walked away from Chairman Wontumi's defence, and once walked back to lead it. His second exit on Thursday, from the Ghanaian opposition figure's illegal mining trial, capped a defence team that has churned for more than a year, drawing in a former attorney-general, fracturing in a public quarrel between two senior lawyers, and at times leaving it unclear who was actually in charge.