A former Republican US congressional candidate — who was endorsed by ex-President Donald Trump — is currently under investigation by Las Vegas police for alleged murder. Per Las Vegas’ 8 News Now report, the failed GOP hopeful “turned himself in at the Clark County Detention Center around 6 p.m. Wednesday” after police “issued an arrest warrant for Rodimer, the 2020 Republican candidate for Nevada’s 3rd Congressional District, on one charge of open murder.” The Daily Beast reports, Rodimer “is accused of murdering 47-year-old Christopher Tapp during an altercation inside a hotel room at the Hi…