Wyndham Lathem and Andrew Warren were in custody in Oakland, a Chicago police spokesman said.
Lathem surrendered to U.S. Marshals at the federal courthouse in Oakland and Warren walked into the San Francisco Police Department's Park District Station to turn himself in.
Warren works as a senior treasury assistant at Somerville College where he is in charge of payroll and pensions.
"The U.S. Marshals in Oakland have been working throughout the week with the U.S. Marshals Service Great Lakes Regional Fugitive Task Force and the Chicago Police Department", said the U.S. Marshals Service in a statement.
Details have emerged of their movements since the 26-year-old victim's stabbed and mutilated body was found in Lathem's Chicago apartment on 27 July.
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The investor is also planning to push for margin improvements, but didn't mention plans for a major financial overhaul, they said. Pershing Square was reportedly offered 11.10 to 11.40 each for shares that, at their late 2015 high, traded at 263.81.
He sent family and friends a video in which he apologised, police said.
Both men - taken into custody without incident - will appear before an Oakland court and are now awaiting extradition to IL, where they will be questioned by Chicago homicide detectives.
"Police said they suspect Lathem fled with Warren". Lathem and Warren had left the scene about 15 hours earlier, authorities said.
Police disclosed yesterday that on the day of Mr Cornell-Duranleau's death on July 27, Dr Lathem and Mr...
On the night of the slaying, police said the front desk of the high-rise building where Lathem lived in Chicago's trendy River North neighborhood received an anonymous call from a person who said that a crime had been committed in Lathem's 10th floor apartment. It was not immediately clear if he if he knew either Mr. Lathem or their alleged victim prior to last week's fatal stabbing.
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One important piece had been missing though, with Xbox owners clamoring for Spotify to make an official app for Xbox One. For those unfamiliar with Spotify, at least on consoles, the application is a popular and premium music streaming app .
The pair had been named as suspects in the attack that was so brutal the blade of the knife used in the murder had broken off, police said.
Officers arrived to find Cornell-Duranleau dead.
They apparently stopped in Wisconsin to make a $1,000 donation to the public library in the town of Lake Geneva in the victim's name.
Surveillance cameras recorded both suspects leaving Cornell-Duranleau's upscale apartment shortly after the murder, according to police, and authorities issued warrants for their arrest on Wednesday.
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Rahul was travelling with SPG commandos some of whom were reportedly injured in the attack as they were sitting in the back. The Congress leader was accompanied by other Congress leaders Sachin Pilot, Ashok Gehlot and party workers.