Do you believe any of the conspiracy theories suggesting the U.S. government was somehow involved in 9/11? * 76749 responses Yes. The government has left many questions unanswered about that day. 63% No. These theories are absurd and disrespectful -- especially to those who lost their lives on 9/11. 32% I'm not sure. 5.6% Not a scientific survey. Click to learn more. Results may not total 100% due to rounding.