An 11-year-old Chicago boy died in his home on Wednesday while protecting his pregnant mother from her ex-boyfriend, who had been released from prison the day prior, Chicago Police announced.Crosetti Brand, 37, was arrested hours after the incident on several charges, including murder, in connection to the fatal stabbing of the 11-year-old and the attempted murder of his mother, who survived the attack but was taken to the hospital in critical condition.The victims were identified as Jayden Perkins and his mother, 33-year-old Laterria Smith, in a fundraiser launched by the community and…