a gang that operates around Midland, Bayswater, Morley, Fremantle, Quinns, Rocky...... responsible for 68% of graffiti in Midland & Bayswater approx 94 members... K.T.S consists of many smaller groups these are known as rileys...
person 1: yo man u parta da k.t.s
person 2: yeah
person 1: name 3 big time rileys????