It’s one thing to be flashed by one of the 14 new photo-enforcement devices that have been in operation around Tempe since June.
It’s another to throw a hissy fit and go back and steal a couple of signs that warn drivers that the camera is ahead.
That is what Tempe police said that Sven Siverston, 55, did on Aug. 5, about 30 minutes after officers said his truck was flashed by a mobile speed camera just after 7:30 a.m. near 2500 N. Scottsdale Road…