A Boston lawyer accused of rape by as many as a dozen women has avoided conviction since 1996. Now, prosecutors are trying a different tack.

After multiple drinks at a Boston bar, where the former prosecutor turned defense attorney pays the hefty tab, the three relocate to a local apartment, oftentimes his. There the festivities fade to booze-drenched slumber.

The accusations, time and again, involve a Donald Draper-handsome lawyer, his date, and her young girlfriend (whom he has met at least once before). The predawn hours inevitably shatter as the young friend awakens and realizes she has been undressed and is being raped by the man who so generously spirited the party along. Over the years, as many as a dozen women have come forward to allege Gary …