what they were trying to do is prove or disprove the theory that cannon balls can actually breakthrough the walls of a castle like you see in medieval times. they were trying to do that. it didn't workout as well as they planned. megyn: not for the homeowners any way. trace, thank you. >> reporter: okay. megyn: fox news alert we are just getting reports right now of a shooting at a fedex office in los angeles. we are hearing that almost a dozen shots have been fired, two people are hurt. we're going to have a live report after this break. stay with us. man: my electric bill was breaking the bank. so to save some money, i trained this team of guinea pigs to row this tiny boat. guinea pig: row...row. they generate electricity, which lets me surf the web all day. guinea pig: row...row. took me 6 months to trn each one, 8 months to get the guinea pig: row...row. little chubby one to yell row! guinea pig: row...row. that's kind of strange. guinea pig: row...row. such a simple word... row. anncr: there's an easier way to save. get online. go to geico.com. get a quote. 15 minutes could save you