genealogy detective with ancestry.com, which sensor author: lynn doyle and the cumberbatch -- sir arthur conan doyleumberbatches were cousins, 16 times removed. the forecast coming up. kellye: a new year's reveler in wisconsin was arrested after doing a running bellyflop underway police car. the officer's camera was rolling when he threw himself onto the car, breaking the windshield and scampering off. no surprise the police say the 25-year-old man had been drinking. you think? robert: really? josh: "scampered off.

. >> genealogy detectives finding a connection between sir arthur conan doyle and benedict cumberbatchactor who plays homes in sherlock. they have a common accessor. they've 16th cousins twice removed according to the website ancestry.com. man oh man, what they can find out. >> the u.s. military is warning troops that too many energy drinks can be dangerous. as new numbers show almost half of deployed service members are drinking at least one a day. a report finds the drinks can cause soldiers to fall asleep on the job. let's bring in dr. debbie, an associate professor at the nyu school of medicine. this is from the pentagon. they have an official science blog and posted a study that found that field soldiers are more likely to fall asleep on duty if they've been drinking these energy drinks. why? >> there are a couple of reasons mostly related to the caffeine. there is an issue with the effect of caffeine itself and also the effect of lack of caffeine if you are used to having it. caffeine keeps you awake and alert and helps with memory but if you have too much of it then what happens