Dr. Martin MacNeill is accused of drugging and drowning his wife, Michele, after she was found dead in the bathtub of their family home. MacNeill says he wasn't home when his wife died, but what does the evidence say? Does MacNeill's alibi make sense, or are there too many gaps?
Our experts break down the doctor's alibi, and how it matches up to the evidence and testimony provided by other witnesses.
SEE MORE: Martin MacNeill: Suspicious or not?
On the morning of Michele MacNeill's death, the second period of time during which Martin MacNeill's whereabouts are unknown was between 11:40 a.m. and 11:50 a.m. These are approximate times, based on witness testimony and the time of MacNeill's 911 call.
What we know is that the paramedics arrived at the MacNeill home at 11:55 a.m., and Martin was 5 minutes late to pick up Ada from school -- at 11:35 a.m. The first 911 call was made at 11:46 a.m. -- according to the police affidavit. The MacNeills' home is about 2 miles from Ada's school. When Martin and Ada arrived home, the first thing Ada did was look for her mom. She found her unresponsive in the bathtub. According to Ada's testimony, the only times she left her father alone with her mom still in the bathtub was when she went to get him the phone to call 911, and then to go get the neighbors for help before paramedics arrived. Could Michele have taken her last breath during those moments when Ada left the bathroom? Was her mother already dead?