Thank you Thank you, Mitsana, for putting a timeline together. (Mods, any chance we can turn this into a sticky?)
By the way, If you click the "quote" button, the links will carry over.
I have added a link for the post in which LDhummingbird said,
[*] Noon Two vehicles, photos released by LE, described by LE as "lingering" possibly as early as High Noon (according to the shadows).
http://www.wfaa.com/news/crime/Saginaw-police-release-images-of-vehicles-in-search-for-suspects-in-girls-death-216222331.html
[*] Noon (Approx) LG leaves to drive LDhummingbird, friend and verified insider, home.
http://www.websleuths.com/forums/showthread.php?p=9677907&highlight=errands#post9677907
[*] 2:00 PM (Approx) Neighbor sees Alanna playing on his front lawn with his grandchildren @ approx. 2 PM.
http://www.khou.com/news/texas-news?fId=214092951&fPath=/news/local/&fDomain=10247
[*] Time Unkown "MM <snip> typically works from home and was home with the children and gave Alanna permission to go out and play with a specific neighbor, who was not at home."
http://www.websleuths.com/forums/showpost.php?p=9677742&postcount=888
[*] 4:00 (Approx) LG arrives home from driving friend (LDhummingbird) home.
http://www.websleuths.com/forums/showpost.php?p=9677742&postcount=888
[*] "Midafternoon" First possible witness reported sighting of tarp, as per Macon description
http://www.star-telegram.com/2013/07/02/4977697/body-of-young-girl-found-in-saginaw.html
[*] 6:00 PM (Latest) " By 6 PM, Alanna's mother and older sister began looking for her."
http://www.websleuths.com/forums/showpost.php?p=9677742&postcount=888
[*] 7:00 PM Tarp spotted no later than 7:00 PM as per Macon
http://www.star-telegram.com/2013/07/02/4977697/body-of-young-girl-found-in-saginaw.html
[*] 7:15 PM Alanna's body was found by teenagers at approx. 7:15 PM
[*] 8:00 PM Tweet by Fox4 reporter ‏@Saulgarzafox4 2 Jul: Neighbor says the victim's Father knocked on his door asking if he had seen his daughter around 8pm #SaginawMurder
https://twitter.com/Saulgarzafox4