The times on this search warrant appeared to have been supplied by Jonah Shacknai when he was re-interviewed on July 15, 2011. It is obvious that the parents were committed having at least one of them with Max at all times.
"He said on July 11, 2011, he was at the hospital with son, Maxfield. He went to his residence in Coronado later that evening to shower and pack a change of clothes. He returned to the Ronald McDonald House, across the street from Rady's Children's Hospital, at about 0155 hours, but they were at full capacity so he got a hotel at the Homestead Inn for the night. He returned to the hospital on July 12, 2011, around 0530-0600.
His ex-wife, Dina Shacknai, was at the hospital when he arrived. Dina left and went to her residence in Coronado to gets some sleep."
"Dina returned to the hospital on July 12, 2011, at about 1800 hours. Rebecca and Adam came to the hospital to pick up Jonah and his friend, Howard. They left the hospital, dropped off Howard at the airport then went to eat some dinner.
Jonah returned to the hospital around 2000 hours and Dina was still there. Rebecca and Adam returned to the residence in Coronado. (Jonah) left the hospital around 0100 hours and went to Ronald McDonald House. Dina stayed at the hospital. (Jonah) returned to the hospital on July 13, 2011 at about 0700 hours and
Dina was still there"
http://ftpcontent.worldnow.com/kfmb/misc/warrant_11-164.pdf