Plain Sight: [s9e4]
: Callen realizes the event is actually a cover for an assassination attempt on William Bradford, a weapons company owner who wants to transition the business out of arms dealing.
The search result most relevant to "S9E4 Plain Sight" is for the episode of the same name. [S9E4] Plain Sight
According to IMDb , the episode contains a notable technical error during the shooting range scene where a Range Officer unsafely "sweeps" a shotgun toward the crowd after a guest falls. : Callen realizes the event is actually a
: Mosley (Nia Long) secures an invite to a wealthy charity gala, using Callen and Sam as her bodyguards to track down the stolen military-grade weapons. [S9E4] Plain Sight