When Jane visits Ryan in jail she would not have been allowed to bring her purse into the visitation room.
Jane's Jeep has side latches to secure the hood closed. When she opens the hood she never releases the side latches. They are already undone.
When detective Cameron enters the detention center and subsequently interviews the suspect he would not be allowed to have his gun with him.
Jane's hot coffee that she just bought is not hot. She bumps into a guy and spills it on him and he doesn't get burned.
Glass shatters when it falls on the carpet. No way would a glass shatter like that hitting a carpeted floor.