Seahawks sign CB Terrion Arnold amid felony charges

Seahawks signed CB Terrion Arnold despite armed robbery and kidnapping charges. Macdonald addressed the signing, confirming due diligence and player input. Arnold can practice but is subject to Commissioner's Exempt List. Leonard Williams warned about culture. Dan Campbell also reacted, but no new details. Timeline for debut unclear. Insider hint that legal situation 'isn't as bad as it seems'.