Botham Jean&#39;s mother, Allison Jean, rejoices in the courtroom after ex-police officer Amber Guyger was found guilty of murder, in Dallas, Texas. Guyger shot and killed Botham Jean, an unarmed 26-year-old neighbor in his own apartment last year. She told police she thought his apartment was her own and that he was an intruder. (Image credit: Tom Fox/The Dallas Morning News)