The formal impeachment inquiry of President Donald Trump hinges on military aid for Ukraine that was approved by Congress but temporarily held up by the president. That money is a major source of funding in Ukraine's fight with Russia. We're exploring this question: Why does Ukraine need the money? Also, where do things stand between Russia and Ukraine? And, Thursday marks five years since 43 college students disappeared in Mexico. Their disappearance remains a grim, unsolved mystery.
Mexican journalist Anabel Hernandez has spent years investigating the disappearance of 43 students in Mexico. Hernandez believes the Army — who was helping the local drug lord — thought the students had seen too much.