Lasso of Truth Lasso of Truth The Lasso of Truth is a weapon wielded by DC Comics superheroine Wonder Woman, Princess Diana of Themyscira. It is also known as the Magic Lasso or the Lasso of Hestia. It was created by William Moulton Marston, inventor of the lie detector, as an allegory for feminine charm, but it later became more popular as a device to extract truth from people. The lariat forces anyone it captures into submission; compelling its captives to obey the wielder of the lasso and tell the truth. William Moulton Marston created Wonder Woman but he also worked, in the
Polygraph blood pressure for police cases, a 1904 device by Vittorio Benussi used to measure breathing, and an abandoned project by American William Moulton Marston which used blood pressure to examine German prisoners of war (POWs). Marston’s machine indicated a strong positive correlation between systolic blood pressure and lying. Marston wrote a second paper on the concept in 1915, when finishing his undergraduate studies. He entered Harvard Law School and graduated in 1918, re-publishing his earlier work in 1917. Marston's main inspiration for the device was his wife, Elizabeth Holloway Marston. "According to Marston’s son, it was his mother Elizabeth, Marston’s