The best indicator of antemortem drowning is -

PM findings of drowning External findings A) Specific (diagnostic) White, one, lathery, abundant and tenacious froth at nose and mouth which increases on chest compression. Weeds, grass, plants, mud or stones in tightly clenched hands. B) Non-specific Washer woman hand and feet. Cutis antenna (goose skin). Half opened eye with the dilated pupil and congested conjunctiva. Internal findings Specific (diagnostic) i) Water in stomach and intestine. ii) Diatoms in bone marrow and brain.      B. Non-specific Emphysema aquosum. Paltauf's hemorrhage (sub pleural hemorrhage).