If this was an accident that was caused because Casey was on the phone, computer, etc. I don't believe this would be considered Manslaughter.
In the first bolded point, Casey would have to have caused the death of Caylee. If it is assumed that by not paying attention to her daughter she caused the death of her, then a lot of parents in this situation would be charged with manslaughter. Generally speaking, drownings in the family pool are considered accidents and LE doesn't charge the family members with manslaughter because of this. Drownings can happen in an instant.
In the second bolded statement, it talks about reckless disregard of human life, grossly careless disregard of public safety and wellness, etc. I believe that these charges are not related to a drowning accident in the pool.
If the jury decided to look at the pictures in evidence, and hear the testimony from witnesses, and drew that Caylee drowned in the family pool, I don't believe these charges would apply.
If the jury listened to testimony, viewed the evidence during trial, but drew no answers on how she died, I still don't believe these charges would apply because there are still unanswered questions.
:twocents: