NEW HAVEN, Conn. - Police charged Raymond Clark III with the murder of a graduate student who worked in his building.
He was arrested at a motel Thursday after authorities took hair, fingernail and saliva samples to compare with evidence from the grisly crime scene at Yale's medical school.
Bail was set at $3 million for Clark, 24, who kept his head down and said "Yes, your honor," when asked whether he understood his rights.
The muscular former high school baseball and football player is charged in the death of Annie Le, 24, a pharmacology doctoral student who vanished Sept. 8.
Her body was discovered Sunday - her wedding day - stuffed into a utility compartment behind a wall in the basement of the research building where both she and Clark worked.
Authorities offered no details Thursday on a motive or specifics about the evidence.
ABC News reported that Clark sent a text message to Le on the day she vanished, requesting a meeting to discuss the cleanliness of mouse cages in the research lab.
New Haven police Chief James Lewis called Le's death a case of workplace violence.
He would not elaborate except to say that the two did not have a romantic relationship.