(USA Today) -- While Plantation (Fla.) running back Alex Collins was able to have his father sign his National Letter of Intent, allowing the five-star recruit to join Arkansas' 2013 recruiting class, his strange recruitment might have one more hurdle to overcome.

Shortly prior to Collins' announcement on Thursday, a law firm announced that his mother, Andrea McDonald, had retained its services "to represent the family's interests" as she contemplated signing her son's letter of intent.

While having his father's signature on the document makes it binding in the eyes of the NCAA, McDonald and her representation could theoretically make a challenge to Collins' letter of intent.

McDonald representation, The Cochran Firm, was founded by attorney Johnnie Cochran, who famously represented O.J. Simpson in his murder trial in 1995. "Alex's family has been overwhelmed with media inquiries regarding their impending decision," Jack Paris, McDonald's attorney, said in a release.

"They want to make a clean choice that is free of any outside influences. This is a very tough decision and they are weighing their options very carefully. In the meantime, they have requested The Cochran Firm's assistance in clearing up any false or inaccurate statements in the press."

A prospect under the age of 21 cannot submit an official, binding letter of intent without a legal guardian's signature. Collins was prevented from signing with Arkansas after his mother confiscated his signing papers and disappeared. His mother preferred that Collins stay closer to home and chose Miami (Fla.), where he was once verbally committed.

During Thursday's announcement, both Collins and his father said they were unaware that McDonald had gained representation. Before learning that she had hired an attorney, Collins said he had "just talked to my mom and let her know" of his decision to officially sign with Arkansas.

"I explained myself and we had a better understanding," he said.

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