Letheans
Episode: DS9 481 - Sword of Kahless, The
Soto, a Lethean male.
Planet: name unspecified. A humanoid, space-faring race somewhat resembling the Markalians in appearance but with an electro-assisted telepathic attack that usually proves fatal. Altovar used his to attack Dr. Bashir when he was caught trying to rob the infirmary, but it resulted in a coma the doctor eventually fought through. Another, Soto, was a henchman of Toral, the Klingon.
