<p class="speakable">Accused assassin <a href="https://www.foxnews.com/category/us/luigi-mangione" rel="noopener" target="_blank">Luigi Mangione</a> returned to court Monday for the first of three hearings in which his lawyers will ask the court to toss evidence in the assassination of UnitedHealthcare CEO Brian Thompson.</p><p class="speakable">The 27-year-old Ivy League alumnus is accused of stalking Thompson, a 50-year-old father of two, before allegedly shooting him from behind outside a Manhattan hotel.</p><p>Thompson, who <a href="https://www.foxnews.com/category/us/us-regions/midwest/minnesota" rel="noopener" target="_blank">lived in Minnesota</a>, was expected to attend a shareholder conference later that morning.</p><p><a href="https://www.foxnews.com/us/luigi-mangione-argues-double-jeopardy-bid-drop-murder-case-suppress-evidence" rel="noopener" target="_blank"><strong>LUIGI MANGIONE ARGUES DOUBLE JEOPARDY IN BID TO DROP MURDER CASE, SUPPRESS EVIDENCE</strong></a></p><p>Mangione's lawyers are asking the court to suppress evidence collected during his arrest at a <a href="https://www.foxnews.com/category/us/us-regions/northeast/pennsylvania" rel="noopener" target="_blank">Pennsylvania McDonald's</a> five days after the murder. The evidence includes physical evidence from a backpack, including the suspected murder weapon and his journals, as well as statements he made to police before they read him a Miranda warning.</p><p>The hearings are expected to run for several days, with a break on Wednesday.</p><p>There are three different types of suppression hearings — Mapp, Huntley and Mosley. Two of them are expected this week: a Mapp hearing, to determine whether certain types of physical evidence should be suppressed or thrown out, and a Huntley hearing, to determine if a confession or other statements to law enforcement are admissible. </p><p><a href="https://www.foxnews.com/us/luigi-mangione-prosecutors-fire-back-eavesdropping-claim" rel="noopener" target="_blank"><strong>LUIGI MANGIONE PROSECUTORS FIRE BACK ON ‘EAVESDROPPING’ CLAIM</strong></a></p><p>The <a href="https://www.foxnews.com/category/us/new-york-city" rel="noopener" target="_blank">Manhattan District Attorney's Office</a> has not yet finalized its trial strategy, and a Mosley hearing, which determines if non-eyewitnesses can testify at trial, is not expected yet.</p><p>Mangione faces a slew of charges in <a href="https://www.foxnews.com/category/us/us-regions/northeast/new-york" rel="noopener" target="_blank">New York</a>, Pennsylvania and federally.</p><p>State-level terror charges were thrown out earlier this year, but Mangione still faces <a href="https://www.foxnews.com/category/us/crime/homicide" rel="noopener" target="_blank">second-degree murder</a>, seven counts of criminal possession of a weapon, and possession of a forged ID in New York.</p><p><a href="https://foxnews.onelink.me/xLDS?pid=AppArticleLink&amp;af_dp=foxnewsaf%3A%2F%2F&amp;af_web_dp=https%3A%2F%2Fwww.foxnews.com%2Fapps-products" rel="noopener" target="_blank"><strong>CLICK HERE TO DOWNLOAD THE FOX NEWS APP</strong></a></p><p>He faces a maximum of life in prison in the Empire State.</p><p>If convicted on the top federal charges, he could <a href="https://www.foxnews.com/us/federal-prosecutors-officially-file-intent-seek-death-penalty-against-luigi-mangione" rel="noopener" target="_blank">face the death penalty</a>.</p><p><i>This is a developing story. Stick with Fox News Digital for updates.</i></p>