Missing fossils

You were on a fossil camp trip, You and the others found fossils, then the fossils disappeared, who took them? you are going to find out who did it... The characters are: Dr. forester (she/her)30 Amy (she/her)16 Kristal (she/her)16 Daria (she/her)15 Felix (he/him)17 Julian (he/him)17 Matt (He/him) 16 tess (she/her) 22 You (Your name will be Olivia if you want to be a girl, and Oliver if you want to be a boy) Dr.forester is the oldest one in there, she is 30 years old and 6'6 All boys are 5'9 And all girls are 5'6 Tess is like a teacher, she knows a lot of science but shes just the assistant of Dr.forester. (by the way, Matt and Amy are twins and they are going to solve the case with you)