(adsbygoogle = window.adsbygoogle || ).push({}); 43-year-old Shamkea Khalid will serve 20 years in prison for shooting and killing her boyfriend, Eric Barber, 45, in South Dallas. The incident occurred in April 2022, just after 2 a.m., at a car wash in the 4500 block of Elsie Fay Higgins St. A...