"possible obstruction" refers to a situation where there might be something blocking or getting in the way of something else, making it unable to function properly. Full definition
Mueller's team of FBI agents and prosecutors has already interviewed people who could provide firsthand knowledge of possible obstruction of justice, including Comey, Attorney General Jeff Sessions, Deputy Attorney General Rod Rosenstein, Director of National Intelligence Dan Coats and National Security Agency Director Michael Rogers. (fortune.com)
Trump is under investigation for possible obstruction of justice in the Russia probe. (usatoday.com)
Earlier this month, author Michael Wolff claimed in his controversial book, «Fire and Fury: Inside the Trump White House,» that Corallo resigned because he viewed Trump's interference as possible obstruction of justice. (businessinsider.com)