They fought a losing battle, but the defense attorneys for a pair of brothers convicted this month in Georgia’s Cobb County of a gang-related murder and two other shootings made a dramatic effort.

How the defendants came to be represented is different in Cobb than most other Georgia judicial circuits. Cobb is an “opt-out” circuit, one of six out of 49 circuits that fund and staff their own public defender programs, rather than being part of the cash-strapped Georgia Public Defender Standards Council.