Throughout his two terms as president and his 2008 campaign, Barack Obama was the target of numerous assassination plots and threats, with some estimates citing at least 11 specific incidents.
2008 Denver & Tennessee Plots: Authorities thwarted a plot during the 2008 Democratic National Convention, arresting three men with rifles and body armor, though their capabilities were later downplayed. Separately, two white supremacists were imprisoned for plotting a racially motivated murder spree ending with a drive-by assassination of Obama.
2011 White House Shooting: Oscar Ramiro Ortega-Hernandez fired shots at the White House, with one bullet hitting a window in the living quarters, resulting in a 25-year prison sentence.
Other Threats (2012–2013

The FEAR militia, a group of U.S. Army soldiers, plotted to kill the president in 2012. In 2013, separate cases involved ricin-laced letters sent by James Everett Dutschke and Shannon Richardson, along with an arrest related to a plot using a mobile radiation device