Answer:

deadends

Answer	Crossword Clue
DEADENDS	Blind alleys
DEADENDS	Detectives' dilemmas
DEADENDS	Streets with no outlet

DEADENDS	They go nowhere
DEADENDS	Investigative obstacles
DEADENDS	Maze mistakes
DEADENDS	Cul-de-sacs
DEADENDS	Detectives' frustrations
DEADENDS	They don't go through
DEADENDS	Difficulties without solution.
DEADENDS	Kin of culs-de-sac

DEADENDS	They get you nowhere
DEADENDS	Maze features
DEADENDS	Many leads, ultimately
DEADENDS	Unfruitful paths ... or a description of both words in the answers to the seven starred clues?
DEADENDS	DD
DEADENDS	Maze impediments
DEADENDS	Maze annoyances
DEADENDS	Jobs with no potential

DEADENDS	Obstacles for investigators