More than two months after a mother and two children were found dead in a car in Melbourne outside of an apartment complex, a medical examiner’s findings have explained the cause of their deaths.According to Melbourne police, 35-year-old Andrea Langhorst died of suicide from narcotics overdose and the deaths of 3-year-old Olivia Dryer and 3-year-old Adam Dryer were ruled homicide also by narcotics overdose. Police say the results of the medical examiner’s report are consistent with their investigation. Detectives believe Langhorst was the biological mother of both Olivia and Adam Dryer and they were all from St. Lucie County. Officials say the family appears to have been living out of the vehicle along the east coast of Florida.Family members said Langhorst "loved her children and was always spending time with them.” The family referred to the 3-year-old children as twins.