Camp Mystic faces a criminal investigation that could include manslaughter or negligent homicide charges in the deaths of 27 girls amid last year's devastating flooding in Texas, court documents show. ↧ Investigators seek evidence of manslaughter, other crimes in Camp M... Court documents show that Camp Mystic faces a criminal investigation that could include manslaughter or negligent homicide charges in the deaths of 27 girls amid devastating flooding in Texas last year