This is an axe in a windshield on I-95 in Massachusetts. How did this particular axe get in that particular windshield, not far from that particular woman's head? The Massachusetts State Police explain:

Holy crap, not again. Chasing a home run hit at last night's MLB Home Run Derby at Chase Field in Phoenix, Keith Carmickle dove over a stadium barrier and would have crashed onto a deck by right field had his brother and friend not grabbed him in the nick of time: