suspicious person

Secret Service: Possible Threat To President Obama During Westchester VisitAuthorities were searching late Friday for a possible suspicious person and vehicle in connection with a potential threat to President Barack Obama, who was in Westchester County for two events.
Lockdown Lifted At Elmont Memorial High School After Report Of Suspicious PersonThe lockdown was put into effect around 8:15 a.m. after police received a call around 7:40 a.m. from a woman who said she saw a male teenager with a backpack and a lime green gun.