Reports: Ferguson grand jury to announce decision later today on whether to charge officer Darren Wilson _lowres

Protesters march Saturday, Nov. 22, 2014, near the spot of the August shooting of unarmed black teenager by a white police officer in Ferguson, Mo. Ferguson and the St. Louis region are on edge in anticipation of the announcement by a grand jury whether to criminally charge Officer Darren Wilson in the killing of 18-year-old Michael Brown. (AP Photo/Charlie Riedel)

FERGUSON, Mo. -- Media outlets citing unidentified sources are reporting that the grand jury considering whether Ferguson Police Officer Darren Wilson should be charged in the death of Michael Brown has reached a decision.

CNN, citing U.S. and local law enforcement officials it did not identify, said the St. Louis County prosecutor would announce a decision Monday.

The Washington Post, citing sources close to the process, said both the prosecutor's and Missouri governor's offices were preparing for press conferences likely to come later Monday.