BOSTON (MyFoxBoston.com/AP) -- Investigators visited the home of a man who was arrested outside of Secretary of State John Kerry's Boston home on July 14.
Officers in unmarked cars showed up at Vladimir Romanov's West Roxbury apartment Saturday morning.
The State Department declined to give any details on the police presence.
"The State Department's Diplomatic Security Service, in conjunction with other law enforcement agencies, continues to investigate all possible leads after the Boston Police Department's arrest of Vladimir Romanov," said a spokesperson for the State Department Diplomatic Security Service Public Affairs Office. "The Diplomatic Security Service has no further comment at this time."
Romanov was arrested last Sunday after State Department security officers spotted him parked in a no-parking zone and called police.
Police say the 29-year-old told security officers he was taking pictures to show a friend. When asked to move his vehicle, he said he'd been drinking.
Kerry spokesman Glen Johnson says the man was taking pictures of a window in Kerry's house. Kerry, a former U.S. senator from Massachusetts, was not home.
Romanov was arraigned Monday. A municipal court judge revoked Romanov's bail on an unrelated assault with a dangerous weapon charge and ordered him held for allegedly violating the terms of his probation on an earlier drunken driving case.
Boston Police officials said they responded at about 4 p.m. Sunday to a request for assistance from members of the State Department's Diplomatic Security Service who said they spotted a man taking several pictures of the windows of Kerry's home.
Police said the man appeared unsteady on his feet with the smell of alcohol on his breath and that an open alcohol container was seen in his car.
When asked to produce identification Romanov reportedly said, "I cannot do that at this point."
In Romanov's car, police said they found a pellet gun clearly visible, along with three cell phones, a GPS navigation system, a black canvas bag containing several carbon dioxide cartridges and an open container of alcohol.
Romanov is due back in court on Sept. 25.