JENNIFER SIMONSON ¥ jsimonson@startribune.comMInnetonka, MN-Nov. 24, 2007Eleven-year-old Tyler Lee, center, helped shovel dirt around a tree planted in memory of his mother Teri Lee, while Vicki Seliger Swenson, right, and her 10-year-old daughter Samantha Swenson looked on. After Teri Lee was murdered by an ex-boyfriend, the Swensons took in her four children. The family's story will air on Extreme Makeover Home Edition on Sunday.