Police say the two men should be considered armed and unsafe.
This is a developing story.
Cornell-Duranleau, a native of Corunna, Mich., had jobs as a hair stylist after earning his cosmetology license at Stanley Harris School of Cosmetology in Holland, Mich., according to an obituary posted by his family. A brief death notice in the local newspaper noted that Cornell-Duranleau "died suddenly" on July 27.
Once inside, police found 26-year-old Trenton Cornell-Duranleau stabbed to death. Authorities believe they have fled Chicago, possibly in a rented gray 2017 Hyundai.
Lathem worked as a researcher at Northwestern for 10 years.
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He has warned the Organization of American States not to intervene in Venezuela, saying that would surely bring on civil war. The latest deaths in clashes with security forces raised to 105 the number of people killed since April 1.
A national manhunt is underway for a Northwestern University professor and a University of Oxford employee who are wanted in a River North murder and on the lam.
He has been placed on administrative leave and is banned from all Northwestern campuses.
Mr Cubbage added: "This is now a criminal matter under investigation by the appropriate authorities, and Northwestern University is co-operating in that investigation".
Warren is listed as senior treasury assistant at Somerville College, which is part of England's Oxford University network.
Cornell-Duranleau was dead inside the Grand Plaza apartment unit when police arrived.
It has yet to be determined how all three men knew each other, what led to the hairstylist being at Lathem's luxury apartment and what may have inspired the man's vicious murder. "At some point in the past few years he taught medical students or graduate students, never undergrad, " Cubbage said. He and Cornell-Duranleau (right) were Facebook friends.There are worse places to work on a grant.