Margaret drummed her nails on the wooden door frame.

“Loud and clear.”

I slid the phone all the way down into the waterproof sleeve and pressed the thick plastic seals together along the top.

I folded the locking strip over twice, just as the printed instructions said, and snapped the yellow clasps closed.

Now the phone was fully sealed against water, but the microphone would still catch every word spoken anywhere near it.

I dropped the sealed phone back into the canvas grocery tote.