Casey Anthony , 25 , is charged with seven counts in her daughter 's death , including first-degree murder . Chemist : he ca n't say for sure a dead body was in the car trunk . Toxicologist : Drug testing on drugs found with Caylee Anthony 's remains was negative . Casey Anthony is accused of killing her year - old daughter , Caylee , in 2008 . She has pleaded not guilty ; her lawyer says the girl drowned in the swimming pool .
Chemist : he ca n't say for sure a dead body was in the car trunk . Toxicologist : Drug testing on drugs found with Caylee Anthony 's remains was negative . Casey Anthony is accused of killing her year - old daughter , Caylee , in 2008 . She has pleaded not guilty ; her lawyer says the girl drowned in the swimming pool .