The issue focused on national security and military development. The Obama administration said it would review legislation that could strengthen civil rights laws.

At the same time, legal experts say law enforcement authorities will need to consider increasing federal regulations for access to medical marijuana in light of legalization. And criminal justice officials have concerns about illegal drug abuse as new laws legalize medical marijuana.

For example, Attorney General Eric Holder last month charged Justice Department prosecutors with filing lawsuits against police officers who stopped police because they did not turn over evidence