Government officials in Egypt could neither confirm nor deny Maree's release, despite repeated requests for comment.
Buck and Maree were interrogated, released and then detained again by the same police officers.
When he first arrived home, Buck struggled to balance preparing for his finals and helping Maree.
CNN: Freed student uses Twitter to demand translator's release
Attiya Shakran, press counsel for the Egyptian Consulate in San Francisco, said Maree was released April 13.
That message helped free Buck, whose college hired a lawyer for him, but it didn't help free Mohammed Maree.
CNN: Freed student uses Twitter to demand translator's release
He began setting up a virtual online command post to demand Maree's release.
CNN: Freed student uses Twitter to demand translator's release
That's when Buck and Maree were separated -- Buck was released, and his translator was moved to another police station.
CNN: Freed student uses Twitter to demand translator's release
Maree's brother Ahmed Maree said that he had not heard from his brother and that he believes he is still in jail.
Eventually Buck was released, but Maree was transferred to another police station.
"It's absolutely an unconditional moral imperative, " Buck said of getting Maree released.
CNN: Freed student uses Twitter to demand translator's release
Now, attorneys say Maree still hasn't been charged and remains in prison.
CNN: Freed student uses Twitter to demand translator's release
But perhaps the most notable firm outside the BRIC group of countries is Standard Bank of South Africa, run by Jacko Maree since 1999.
Twitter may not have been able to secure Maree's release, but Buck hopes his initial reason for using Twitter will help find his missing friend.
Buck, a graduate student then working on a photography project in Egypt for his master's thesis, met Maree, a 23-year-old Egyptian veterinary student, in Mahalla.
CNN: Freed student uses Twitter to demand translator's release
Buck said that as he and Maree fled, they were stopped by police and detained, along with several journalists and bloggers who were covering the protest.
CNN: Freed student uses Twitter to demand translator's release
It is claimed Muc-Sheilche haunts Loch Maree in Wester Ross.
Fueled by the gnawing guilt of leaving Maree behind, Buck set out to enlist all of the help he could in hopes of sparking a movement for his release.
CNN: Freed student uses Twitter to demand translator's release
There has been no official confirmation regarding Maree's whereabouts.
But Buck was able to send updates every couple of hours saying he was still detained, he had spoken to the prosecutor, he still had not been charged, and he was worried about Maree.
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