Most years - Memorial day is considered the kick off for crabbing in the Annapolis area. Even then - often slow. This year might be different due to waters warming faster then normal.
It gets good around mid June and continues until late September , even early October.
The Severn can be good - it often pays to first set your line so it goes on a slight angle from say 5 feet out to about 12 feet or so.
The Severn drops off quickly in many areas so it's easy to cover various depths. If you notice one depth producing - it pays to move line so more baits are in that depth.
What could be more mundane than dying of old age or of natural causes when there is death by misadventure to be pursued ? Skip