In the final island sequence, when Golgo 13 emerges from the sea wearing shorts there is no sign of the leg wound he received a few scenes previously.
In the early scene of the undercover cop tailing the crime boss, she fails to give key intel she just obtained to the lead detective while on radio with him. She follows too closely in a conspicuous yellow car through a rural area, and parks it in plain sight of the gang. Then she sneaks in on her own without giving the brass her location.