The eldest son of the house of horrors siblings excelled at his community college and had been named to the honor roll for two semesters, school officials said Thursday.
Now in his 20s, he attended Mt. San Jacinto College for several years. His mother would bring him to school and wait outside his classes for him, prosecutors said.
He did not earn a degree but was on the president's honor roll in fall 2015 and spring 2016, said college spokeswoman Karin Marriott.
A transcript obtained by ABC News showed he attended classes from 2014 until at least 2016 and sometimes earned 15 credits per semester.
He earned As in many classes, including algebra, guitar, public speaking, English fundamentals and freshman composition.
Joe Chermak, who attended a musical performance at the school in May 2016, said he remembered seeing the Turpin family in the audience. The small group of family members took up almost half a row of seats and they were all wearing matching outfits - blue shirts and tan pants, he said.
At first, Chermak said he thought it was a group of kids from another school who came to watch the guitar ensemble with a mix of classical, jazz and musical theater, but then he looked more closely and realized they all seemed very skinny...