STSO1 (blue shirt): Shanna Kukla, TSA Supervisory Transportation Security Officer (STSO) and "Behavior Detection Officer" (BDO)
STSO2 (black sweater): Tricia Tonge-Riley, TSA STSO and "Expert" BDO (EBDO)
TSO3: Name unknown. Basic TSO. (1 stripe = basic TSO, 2 stripes = Lead TSO, 3 stripes = Supervisor TSO, suit, no uniform = management)
LTSO4: Name unknown. Lead TSO.
Cop: Paul Coleman, Logan Airport Police Officer
Citizen: Sai (https://s.ai/tsa) [yes, "Sai" is my full name]

ASL = American Sign Language. I was mute at the time and communicating with a combination of ASL, mouthing, gestures, and (when allowed) writing. Everything I signed in ASL I was simultaneously mouthing in English.

All others were communicating with spoken English only. The video does not have audio. I didn't record my own video of this incident.

ASL not transcribed (or with ???) is not legible or visible enough to transcribe.

Timecodes below are from raw video, which is off by a couple seconds from the recorded timecode due to video encoding issues.
0:00 Start of secondary screening
0:05 Start of patdown
0:14 Sai requests new gloves
1:20 End of patdown
1:36 Patdown cleared ETD scanner
1:43 STSO1&2 ask for boarding pass
1:52 Sai points out boarding pass
1:58 STSO1&2 ask if Sai can't hear/speak
2:06 Sai confirms inability to speak but ability to hear
2:42 Sai (ASL partially visible): "??? Yeah."
2:47 Sai (ASL pv)
3:00 Sai (ASL): "Not."
3:05 Sai (ASL not visible)
3:06 Sai (ASL nv)
3:09 Sai (ASL nv)
3:56 Sai (ASL pv): "?? Problem? What problem?"
4:04 Sai (ASL pv): "?? Not ??? circle-shaped-thing ??? some ???"
4:15 Sai (ASL): "What's with all the questions? Sorry, but the TSA can't [interrogate someone]; it's not Customs."
5:01 STSO1 reads prescription bottle label
5:10 STSO1 reads prescription bottle label
5:13 Sai (ASL): "Some."
5:21 STSO1 reads prescription bottle label
5:24 STSO2 reads prescription bottle labels
5:39 STSO1 reads personal documents
6:24 STSO1 reads personal mail
6:56 Sai (ASL pv)
7:12 Sai (ASL)
7:18 STSO1 reads personal documents
7:38 STSO2 shows badge
7:44 Sai (ASL)
7:47 STSO1 shows documents to STSO2
7:51 Sai (ASL): "Hey! You can't read through those. It's not a bomb. Stop it."
8:36 Sai (ASL): "That's mine."
8:39 STSO1 reads Sai's highlighted printout of TSA's medical items policy memo
9:02 Sai points out that the memo clearly says "prescriptions are not required"
9:40 Sai (ASL): "That's mine."
9:43 Sai (ASL nv)
9:51 Sai reaches for pen & paper
9:54 Sai (ASL): "I [will/am] show[ing] you."
9:57 Sai (ASL)
10:08 STSO1 reads personal notebook
10:19 Sai (ASL pv)
10:27 Sai (ASL): "I don't have 'an attitude'."
10:34 STSO1 reads through personal documents
10:38 Sai (ASL): "Why are you reading through everything?"
10:48 STSO1 takes out bag of prescription medications with previous passport inside (matching name on previous prescription bottles)
11:23 Sai points out different dates on passports and voiding punch-holes on old passport
11:37 Sai (ASL): "[That's my] previous [passport]."
11:50 Sai (ASL)
12:00 Sai (ASL): "See? [previous passport matches previous prescription bottles]"
12:08 STSO1 reads prescription bottle labels
12:15 Sai (ASL): "It's not a bomb."
13:05 Sai (ASL): "Yes."
13:12 Sai (ASL pv): "??? It's not a bomb. ??? doctor. ??? doctor."
13:42 Sai (ASL): "I moved."
13:58 STSO1 reads personal documents
14:09 STSO1 reads confidential business documents
14:12 Sai (ASL pv): "I moved. ???"
14:27 Sai (ASL): "Hey! Stop; you can't read through that."
14:41 Sai (ASL): "Hey! What [are you doing]? ???"
14:49 Sai (ASL to self): "Arrrgh."
14:55 Sai slowly takes pen out of shoulder bag
14:58 Sai (ASL): "I need to write."
15:10 STSO moves aside, letting Sai access writing paper.
15:27 Sai starts writing note.
15:30 STSO1 reads confidential documents
15:37 STSO1 shares documents with STSO2
16:37 Sai shows STSO1 note, which reads "The law limits the TSA's jurisdiction to "search no more extensive nor intrusive than necessary to detect the presence of weapons or explosives". You are violating the law. What exactly are you looking for?"
16:49 STSO1 reads personal documents
16:54 Sai starts writing further
16:57 STSO2 grabs writing paper out of Sai's hands while Sai is writing
17:12 Sai (ASL): "I need to write."
17:14 Sai (ASL): "That's mine."
17:18 Sai (ASL): "What?!"
17:23 Sai (ASL): "[X is] not."
17:27 Sai (ASL): "??? ticket"
17:30 STSO2 shows driver's license (which lists the name "Sai")
17:30 Sai (ASL): "I moved."
17:37 Sai (ASL): "I moved."
17:40 Sai shows pen and reaches for writing paper
17:45 Sai reaches for paper again
17:47 STSO2 physically stops Sai from getting writing paper
17:48 Sai (ASL): "I need to write."
17:51 Sai (ASL): "I need to write, OK?!"
17:56 STSO2 walks off with boarding pass, passports, and driver's license
17:57 STSO1 reads through cards in wallet
17:59 Sai (ASL): "I NEED TO WRITE."
18:08 STSO1 reads medical information card (signed by neurologist), which explains medical need for constant access to pen and paper
18:09 Sai (ASL to self): "Arrrgh."
18:37 STSO1 looks at driver's license
19:02 STSO1 looks at ocarina
20:24 TSO3 arrives
20:34 Sai (ASL): "Hey! I need to write."
20:38 Sai (ASL): "What?"
20:48 LTSO4 arrives with chair
20:53 STSO1 reads through personal documents
21:07 STSO2 returns with boarding pass, passports, and driver's license
21:19 STSO2's photocopy of IDs & boarding passes visible
21:21 STSO1 shows STSO2 medical information card (and reads it out loud)
21:26 STSO1 shows STSO1 ocarina
23:10 STSO1 looks through business cards
23:10 STSO2 assembles prescription bottles
24:41 STSO2 walks off with passports
24:43 Cop arrives
25:31 STSO1 takes documents to show to police
26:29 Cop approaches and begins questioning Sai
26:30 Sai (ASL): "I need to write."
26:45 Sai (ASL): "I moved."
26:52 Sai (ASL): "I moved before."
27:01 STSO2 arrives with notepad
27:07 Cop continues questioning Sai
27:58 Cop radios for a search on ID
29:15 STSO1&2 look through checkbook
29:34 Cop walks off with passports
29:49 STSO1&2 read through personal documents
31:14 Cop returns and continues questioning Sai
32:31 Cop reads through personal documents
32:42 Cop walks off with personal documents
34:15 Cop walks off with passports
35:04 Sai (ASL): "Are you finished?"
35:26 Sai writes down STSO1's badge number
36:00 Sai (ASL): "Responsibility? You're responsible."
36:39 STSO2 tries to grab notes out of Sai's hands; Sai keeps them away.
36:51 Cop reads through personal documents
37:16 Cop walks off with passports, talking on radio
37:26 Sai pockets notes
37:45 Cop reads prescription bottle labels
38:24 Cop looks at ocarina
38:32 Cop walks off with ocarina
38:44 Cop returns ocarina to table
39:03 Cop gives passports to STSO1
39:17 Sai (ASL): "[informal/polite] You (police officer), come over."
39:25 Cop confirms detention/search is finished
39:35 Sai starts packing bags
39:54 Sai takes & swallows one pill from prescription bottle
40:40 Sai (ASL): "[sarcastic] Oh noes."
48:42 Sai leaves checkpoint