TheeAgentSmith

You Complete Me Wear the outfit of a dead player.

Engagement Ring Delivery Man Q is probably Quint.
He may well have some important evidence
concerning the case.
Give Becky's [Engagement Ring] to him
and he may tell you the truth.

Harleen the Queen Reach Max Level with Harley Quinn

Total Recall Recover 400 health using Tracer's Recall without dying in Quick or Competitive Play.

Bullet Train Take out a guard with a silenced pistol, with a shotgun and with an SMG.

Apex Controller Win a game as a controller character

We're Not in Oklahoma Anymore Finish Asgard

You Got Gaunt! Complete "Operation: Star Power".

Pacesetter Rising Star Unlock additional events in 'Pacesetter'.

Back in time for dinner Complete a difficulty 4 or higher mission in 5 minutes or less.

Mission Hunter Complete all missions in 10 worlds.

The Lava Is Floor Run on lava

EXTRA: Chaos Lazulia Find the Chaos Lazulia in Mazerella.

You Said This Was A Platformer Be lectured on the inner child

Frost Brand Chill an enemy 100 times

TBoGT: Catch the Bus Dance perfectly in both Tony's nightclubs. (The Ballad of Gay Tony)

Public Enemy No. 1 Reach 6 wanted stars.

Hot Wheels Unlock all trophies.

Transcendence Defeated Cor.

Lamborghini Icons Rising Star Unlock additional events in 'Lamborghini Icons'.

Good Start Achieve a full consensus with the first question of the game

Groupie Completed Campaign mode on Gentle

Make Frank kill a Tank! Kill a Bug Tank, Bug Behemoth, or Cyborg IFV by having the extraction shuttle land on it.

EXTRA: Preserve Find the Wax Fetish in Mazerella.

Control is an Illusion Completed "The Binding Mark"

Arcade Stockpile Collect 20 bonus lives or relics in Arcade Mode

Escape Fartist Escape from RuptureFarms without Abe being spotted by any Slig

...But Can You Parallel Park? Make it through outer space without taking any damage.

Benjamin Franklin Jack, at Heaven & Hell Gas, wants
$100 bills. Hey, don't we all? However,
if you give him more than $1000 he'll
supposedly give you some really big
info. For the investigation, then...!

Glory Beckons Unlock Legendary difficulty in Arcade mode.

Baby Carrot Play a Joker on your drawing when no-one else votes for it

Dragon Fury Defeat 50 enemies with Dragon Spirit.

1407 Graymalkin Lane Finish X-Mansion

Nothing To Fear Rescue all Phobekins

Hero Complete all challenges in one level

Furious First Responder Complete Paramedic, Firefighter, Vigilante.

Battle Tested Reach Commander (Level 55) in Multiplayer while playing online

Survivor Finish Endurance 12 with gold

Special Issue Weaponry Earn 10 medals that are based on Special Issue Weaponry

Memories of Anna Someone is taking walks in Anna's
forest in the early afternoon when the
weather is clear. Find this person and
hand over the [Out of Focus Picture]
from the twins. It could be a new lead!

Sakura Contender Unlock the 'Sakura' Trophy event.

New Threads Put on Pamela's sweater.

Well-Travelled Play through all areas of the game

Diplomatic Immunity Finish Castle Doom

Fighting On The Internet Alright, time you fought 10 network battles! The Internet is like my backyard - not a place I tend to lose! (Excludes Battle Lounge)

Dance The Night Away Flip Stance 10 times with a Kombat Pack 2 character during a Fatality sequence in an Online match

Not With THAT Altitude Defeat the Demon King

More like EleMENTAL SKylands Complete the Elemental Skylands scenario

Master Complete all missions on master difficulty in the original game

Periodic Riddle Ushah has been given a "riddle" from
Fiona that uses elemental symbols, but
has no idea what the answer is.
This doesn't seem related to the case...
but why not help him find the answer?