Northrop Grumman Corp.

Surveillance planes spotted in the sky for days after West Baltimore rioting

As Benjamin Shayne settled into his back yard to listen to the Orioles game on the radio Saturday night, he noticed a small plane looping low and tight over West Baltimore — almost exactly above where rioting had erupted several days earlier, in the aftermath of the death of a black man, Freddie Gray, in police custody. The plane appeared to be a small Cessna, but little else was clear. The sun had already set, making traditional visual surveillance difficult. So, perplexed, Shayne tweeted: "Anyone know who has been flying the light plane in circles above the city for the last few nights?" That was 9:14 p.m. Seven minutes later came a startling reply. One of Shayne's...