Wallace rose to prominence in May 1297, when he killed Sir William Haselrig, the English sheriff of Lanark, and members of his garrison at Lanark, possibly with the aid of Sir Richard Lundie.
Wallace mulai menjadi perhatian pada Mei 1297 ketika ia membunuh Sir William Haselrig, sheriff Inggris di Lanark, dan anggota-anggotanya di Lanark, yang mungkin dengan bantuan Sir Richard Lundie.