In a violent act that shattered the peace of a busy afternoon at The Shops at RedBird in Dallas, 53-year-old Jaime Alejandro Rokkett—affectionately known to many as “Mr. Jay”—was gunned down inside his beloved business, Cookies ’N Smoothies. The suspected shooter, 43-year-old Rashonda Lowe, has been arrested and charged with murder, bringing a wave of…