Liknes lock tampered with and disabled expert testified in Garland triple murder trial

Day four of the triple murder trial for Douglas Garland focused on the lock on the side of the Liknes home. Garland is accused of three counts of first degree murder in the deaths of Alvin and Kathy Liknes, as well as their grandson 5-year-old Nathan O'Brien.Nancy Hixt has more on the significance of the lock.