When Booth is talking to Sweets he opens the bathroom door but in the next scene it is closed again.
When the Becky Conway character is introduced, she says she is the Sheriff and has a badge that says, "Sheriff's Department". Her uniform shoulder patch shows she is an Illinois State Trooper (Illinois State Police).
When Booth & Bones are on the dance floor, The Bucketheads' "The Bomb" is playing. However, that was released in 1995, not the year she graduated.
Just because they graduated in 1994, the DJ can play any music that they want to for dancing.
During a video conference, Brennan asks Sweets "but what do you hope to find in 15-year-old memorabilia?" Sweets is shown scrolling through the yearbook and the year says Burtonsville High School 1995. A few seconds later it is corrected to Burtonsville High School 1994.
Near the end, Angela states that the star was cut from the same saw that cut the ribs of the victim. Without actually having the star, she wouldn't be able to compare the tool marks from the photo Bones sent.