48 Hours takes a look inside the Lori Hacking case -- unraveling the web of lies told by her husband Mark, who's been arrested for her murder. 48 Hours also reports on how more and more people are going to extremes to physically improve their appearance and achieve an edge in life in "Going to Extremes". More than one million young people are taking steroids illegally, and for some, it has led to disastrous results, including violent mood swings and suicide. Some teens have been getting a message that bigger, faster and stronger is better. Correspondent Troy Roberts speaks to Chris Wash of West Plano, Texas, who started taking illegal anabolic steroids because of vanity, while others, including Taylor Hooton, also of West Plano, and Rob Garibaldi of Petaluma, Calif., took them because sports coaches told them they needed to be "bigger." All of these young men experienced extreme mood swings that included depression, and in the case of Hooton and Garibaldi, suicide. Extreme Vacation: Surgury Safari: Even under ordinary circumstances, an African safari is the journey of a lifetime. But Colleen Hiltbrunner, 53, has a special reason to hope her African adventure will transform her life forever. "The opportunity to see the animals in their natural habitat. To go where man originated, and at the same time, get the plastic surgery I need at a bargain rate is just fantastic," says Hiltbrunner. It's the package deal of her dreams. Call it an "extreme" vacation, but as Correspondent Troy Roberts reports, Hiltbrunner is about to combine a safari with a nip-and-tuck –- 10,000 miles away from her home in Colorado Springs. Becoming Barbie: Living Dolls: For millions of little girls, the Barbie doll has been the pinnacle of plastic perfection for more than 40 years. "I think a lot of little 6-year-old girls or younger even now are looking at that doll and thinking, 'I want to be her.' And it's something they grow out of," says Cindy Jackson, 48, who admits
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