Marcus Cal, 28, was shot to death on July 4, 2015, on Jarvis Avenue. He is pictured here in a 2014 booking photo from the Hamilton County Jail. 
Alex Freeman, 28, was shot to death on July 5, 2016, on Woodmore Lane. A 23-year-old Chattanooga woman who was found dead inside her home on July 4 was strangled to death, according to a preliminary report from the Hamilton County Medical Examiner's Office.
Aisha Bearden was last seen alive on July 2, according to the report. It's unclear exactly when she was killed.
Bearden's brother found her lying on her back inside the home in College Hill Courts around 2:30 p.m. on July 4, which was Bearden's birthday.
She had multiple cuts on her face and neck, and a clear ligature mark round her neck, according to the report.
Police have not arrested a suspect for her death.
The medical examiner's office also completed preliminary reports into two other homicide victims who were killed on July 4 and July 5.
One report shows that Marcus Cal, 28, was shot four times - in the arm, leg, abdomen and buttocks. He was fatally wounded during a shootout on Jarvis Avenue just before midnight on July 4.
Hours later, Alex Freeman, 28, was also shot and killed. He was standing in his mother's driveway on Woodmore Lane early on July 5 when someone drove by and opened fire, according to the report. Freeman was shot in the chest and left arm.
Police have not arrested suspects in either Cal's or Freeman's deaths.
There have been 20 homicides in Chattanooga so far in 2016, and the majority of the cases remain unsolved.
A fourth medical examiner's report also shed new light on the unusual death of 49-year-old Darrel Chapman, who police say started a fire in the Red Bank home he was renting on June 24.
Chapman, who rented a basement unit from a couple who lived upstairs, set the apartment on fire and then shot himself in the chest, according to Red Bank police and the medical examiner's report.
The report shows that Chapman had a contact gunshot wound to the center of his chest, and the medical examiner ruled the death a suicide.
Contact staff writer Shelly Bradbury at 423-757-6525 or sbradbury@timesfreepress.com with tips or story ideas.