In Britain 'dumb' is seldom used to mean stupid. It was mostly only used to mean mute e.g 'deaf and dumb'. However 'dumb' in the mute sense is probably politically incorrect nowadays, a bit like calling a short person a 'dwarf'.
Luis Carlos MontalvÃ¡n at a book signing in Coral Gables, Fla., in 2011, with his service dog, Tuesday. Luis Carlos MontalvÃ¡n, an Iraq war veteran and best-selling author who toured the country with his service dog, Tuesday, as an advocate for soldiers with post-traumatic stress disorder, died on Friday in El Paso. He was 43. He was found dead in his hotel room.
Rafael Amaya: Mexican Actor Hospitalized After Reported Drug Overdose. Rafael Amaya, a Latin actor, was taken to a hospital in Mexico on Oct. 27, following a reported drug overdose. Is he doing okay? Here is what we know. Rafael Amaya, 38, was hospitalized in an intensive care unit in Mexico City on Oct. 27, suffering from tachycardia (abnormally fast heart rate), as well as reported drug intoxication.