then they should be charged with accessory to rape.
Law enforcement can only charge for crimes on the statute books, that courts will enforce. From the dawn of civilization until 1972 abortion was universally seen as murder.
The person to takes a girl to the clinic may not be the perpetrator, it may be an aunt, or a male relative, or a family friend. But when a 30 year-old man brings a 13 year old girl to an abortion clinic it should raise suspicions. Most clinic workers don’t want to upset the apple cart by getting facilitators in trouble, I fear.