Photo Source: Wikimedia Commons My human charge Rosamaria Molina, age seven, is standing on her family's Highland Park front lawn in northeastern Los Angeles with her ten-year-old brother Carlos and his new friend Tonio from another part of town. "It's up there someplace," says Carlos, and he looks up at the sky. Tonio looks too, scanning, and he spots my surveillance drone, perched on a power line. “There!" He points, and Carlos and Rosamaria turn to look. ...