Woman says she wasn't involved after former boyfriend convicted in ex-husband's murder

Authorities quickly found a suspect when a well-known Washington, D.C., photographer was killed two years ago. Brandon Holbrook was convicted of murdering Joe Shymanski. Holbrook used to be the boyfriend of Shymanski's ex-wife, Heather. "48 Hours" contributor Nikki Battiste, who grew up with Heather, sat down for an exclusive interview with her. Heather denies any involvement in the murder.