False Alarm? Not This Time!
by Kegler

Some answers lose a letter to the bottom row, becoming new words before entry.  22 Across explains what is going on.

False Alarm?  Not This Time! grid

Across
1Former coed excited Alan without hesitation
5Reportedly encounter Greek character’s entrée in “Sweeney Todd” (2 wds)
12Lawsuit involving rogue’s cataract
13Rushed contestant’s last bombastic speech
14Follow instructions of old Turkish leader
16Crazed, capturing chief of tribe having powers of divination
17Pink and red exist
19Ivy, for example, found in ravines
20Badly beat an early software version
21I care about author Jong
22See instructions
25Tried to contact police department? About time!
29Cheer’s source
30Starts to ask Luigi about eating wings in Rome
31Predictor of the future for heartless vendor
32Coquette’s energy controlled by stun gun
33I am considering former Hungarian Prime Minister Nagy
34Whale’s tail seen in sailor’s salty water?
35Weapons destroyed vegetable (2 wds)
36Tea set’s broken; what’s left?
37Rigid shrink ignoring inmate
Down
1Narco busts certain plant product;...
2...escorts drug dealers, quietly leaving
3Innocent one in church area
4Highly regard commercial muck
5Rev. Spooner’s cockeyed military meal is insignificant
6Audibly rate sea eagle
7“Cavities”: an art retrospective
8Praise still fills essays
9Certain pro athlete and gym rat primarily receives acknowledgment
10One who sets up political victors harder to believe
11Scottish lord pursues English fuel component
15Attractive women acquiring Thor’s jogging attire that is loose-fitting
18French head back, taking bit of comp time and the like (2 wds)
22Cheap box full of shelled nuts (hyph)
23Picks up nurses behind meadow
24“Go make lace” is suggested (2 wds)
25Physical therapy involving bowling alley and a very large ball?
26Tyrant is clean?
27Office worker initially increased speeds
28Attempt accommodating new tea pact
30A female tennis great

Solution