[LouieFisk]

"Freddie Gray was arrested for carrying a knife that turns out was legal to carry."
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Maryland State Law:
http://pweb.netcom.com/~brlevine/md.txt
(c) Prohibited.- (1) A person may not wear or carry a dangerous weapon of any kind concealed on or about the person. (2) A person may not wear or carry a dangerous weapon, chemical mace, pepper mace, or a tear gas device openly with the intent or purpose of injuring an individual in an unlawful manner.

[chris37]

If that is indeed the governing statute there, it seems like his pocket knife is covered by (1), switch blade or not, and the arrest was legal.

[ilovesarah2012]

State attorney said his arrest was unlawful.

Argue with her.