The victim and his wives had "8 children in 11 years" yet the poison used by the third wife came from a chemistry tutor for one of the children. It is unlikely that elementary school aged children would need a chemistry tutor.
In the cornfield, Hodgins mentions on the phone that they are surrounded by grain. Bones corrects him, stating that the corn is technically grass. All grain-producing crops, including maize (corn), are grasses.
Gynecologists don't deliver babies but Obstetricians do. In most cases Doctors who do one thing do both.
Cam is having issues with her gynecologist doctor boyfriend canceling dates do to delivering babies. Gynaecologists do not deliver babies.