Greengrass ( working from Don Mullan 's script ) forgoes the larger socio-political picture of the situation in Northern Ireland in favour of an approach that throws one in the pulsating thick of a truly frightening situation .
Greengrass (working from Don Female's script) forgoes the larger socio-political picture of the situation in Northern Ireland in favour of an approach that throws one in the pulsating thick of a truly frightening situation.