WHAT IS THE MOTIVATION OF SOMEONE WHO CALLS SUICIDE "AN ACT OF ASYMMETRIC WARFARE" ?

The US Military Commander at Guantanamo Bay called the suicides in his prison "an act of asymmetric warfare waged against us...a publicity stunt".

(Source : BBC CEEFAX 104 June 11 2006 - "Guantanamo suicide 'Act of Warfare' "- 'the suicide of three detainees at the US base at Guantanamo Bay (Cuba) amount to acts of war, the US military says'.)