Late Thursday, as Hall and 10 family members were out again, canvassing a parking lot in Glenmont, his phone rang.
Hall raced over to a nearby train station and hugged his son, who greeted him the same way as always.
Then, three days after that, an officer looking for Williams at the Glenmont Metro station spotted an emergency exit.
Montgomery County police also shared a missing person flier of Williams on social media and emailed it to area news outlets.
Working with a station manager, he came across the emergency exit corridor and decided to look inside, officials said.
It was unclear how extensively the station had been searched over the preceding days and whether the corridor had been searched.
“There are cruel people out there, and they can be really cruel to someone like Shawnyboy,” she said. »
