To discuss how the Democratic presidential candidates performed Wednesday night, UNews spoke to Stephen Nuño-Pérez, he's a political science professor at Northern Arizona University and a senior analyst at polling firm Latino Decisions.

Exclusive video shows never-before-seen images of the day Mexican drug lord Joaquin ‘El Chapo’ Guzman was sent back to prison. The video shows the entire booking process and the notorious drug lord answering personal questions. It’s one of the few times his voice has been heard publicly.

For a complete analysis of Roger Stone’s sentencing, UNews spoke to Jacob Frenkel, a former federal prosecutor.

US authorities are investigating a Mexican doctor and scientist arrested in Miami on suspicion of working for Russia. It is believed he was recruited by Moscow last year and traveled to Russia to report details of his alleged spy mission.

A new poll among non-voters is shedding some light on why many people who are able to vote choose not to participate. It’s the first time a survey among this group of Americans has been conducted. Lorraine Caceres has details on why most of them say 2020 might be the year they break their streak.

A 7-year-old girl in Mexico was last seen alive on video on February 11. And now authorities are searching for a woman seen with her on camera that day. All this after her body was found dumped and showing signs of abuse.