diff --git a/src/files/setup/setupame.c b/src/files/setup/setupame.c
index a5bea49c9..ba1346bf7 100644
--- a/src/files/setup/setupame.c
+++ b/src/files/setup/setupame.c
@@ -1685,7 +1685,7 @@ u8 func0414_programmer[] = {
 			if_saw_death(0x00, /*goto*/ 0x96)
 			if_hears_gunfire(/*goto*/ 0x96)
 			if_stage_flag_eq(STAGEFLAG_PROGRAMMER_RAN_TO_GUARD, TRUE, /*goto*/ 0x2c)
-			if_dying(/*goto*/ 0x96)
+			if_sees_suspicious_item(/*goto*/ 0x96)
 			label(0x2c)
 			if_chr_stopped(/*goto*/ LABEL_LOG_ON)
 		endloop(0x93)
diff --git a/src/files/setup/setuppete.c b/src/files/setup/setuppete.c
index 38d185cc7..70f00478c 100644
--- a/src/files/setup/setuppete.c
+++ b/src/files/setup/setuppete.c
@@ -1834,7 +1834,7 @@ u8 func041d_fbi[] = {
 		if_hears_gunfire(/*goto*/ 0x16)
 		if_saw_injury(0x00, /*goto*/ 0x16)
 		if_saw_death(0x00, /*goto*/ 0x16)
-		if_dying(/*goto*/ 0x16)
+		if_sees_suspicious_item(/*goto*/ 0x16)
 	endloop(0x19)
 
 	label(0x16)
@@ -2109,7 +2109,7 @@ u8 func041e_sealer1[] = {
 		if_hears_gunfire(/*goto*/ LABEL_ALERTED)
 		if_saw_injury(0x00, /*goto*/ LABEL_ALERTED)
 		if_saw_death(0x00, /*goto*/ LABEL_ALERTED)
-		if_dying(/*goto*/ LABEL_ALERTED)
+		if_sees_suspicious_item(/*goto*/ LABEL_ALERTED)
 	endloop(0x19)
 
 	// Crash happened
diff --git a/src/game/chr/chraicommands.c b/src/game/chr/chraicommands.c
index 84fe9a230..201dc9f33 100644
--- a/src/game/chr/chraicommands.c
+++ b/src/game/chr/chraicommands.c
@@ -1972,117 +1972,50 @@ bool aiIfNearMiss(void)
 /**
  * @cmd 004c
  */
-GLOBAL_ASM(
-glabel ai004c
-/*  f050534:	27bdfda8 */ 	addiu	$sp,$sp,-600
-/*  f050538:	afb00014 */ 	sw	$s0,0x14($sp)
-/*  f05053c:	3c10800a */ 	lui	$s0,%hi(g_Vars)
-/*  f050540:	26109fc0 */ 	addiu	$s0,$s0,%lo(g_Vars)
-/*  f050544:	8e0e0424 */ 	lw	$t6,0x424($s0)
-/*  f050548:	afbf0034 */ 	sw	$ra,0x34($sp)
-/*  f05054c:	afb70030 */ 	sw	$s7,0x30($sp)
-/*  f050550:	afb6002c */ 	sw	$s6,0x2c($sp)
-/*  f050554:	afb50028 */ 	sw	$s5,0x28($sp)
-/*  f050558:	afb40024 */ 	sw	$s4,0x24($sp)
-/*  f05055c:	afb30020 */ 	sw	$s3,0x20($sp)
-/*  f050560:	afb2001c */ 	sw	$s2,0x1c($sp)
-/*  f050564:	afb10018 */ 	sw	$s1,0x18($sp)
-/*  f050568:	8dc2001c */ 	lw	$v0,0x1c($t6)
-/*  f05056c:	27b30048 */ 	addiu	$s3,$sp,0x48
-/*  f050570:	00008825 */ 	or	$s1,$zero,$zero
-/*  f050574:	02602825 */ 	or	$a1,$s3,$zero
-/*  f050578:	24060100 */ 	addiu	$a2,$zero,0x100
-/*  f05057c:	0fc197e0 */ 	jal	func0f065f80
-/*  f050580:	24440028 */ 	addiu	$a0,$v0,0x28
-/*  f050584:	87af0048 */ 	lh	$t7,0x48($sp)
-/*  f050588:	02609025 */ 	or	$s2,$s3,$zero
-/*  f05058c:	27b80048 */ 	addiu	$t8,$sp,0x48
-/*  f050590:	05e00033 */ 	bltz	$t7,.L0f050660
-/*  f050594:	24170007 */ 	addiu	$s7,$zero,0x7
-/*  f050598:	87030000 */ 	lh	$v1,0x0($t8)
-/*  f05059c:	24160001 */ 	addiu	$s6,$zero,0x1
-/*  f0505a0:	24150004 */ 	addiu	$s5,$zero,0x4
-/*  f0505a4:	24140048 */ 	addiu	$s4,$zero,0x48
-/*  f0505a8:	3c130010 */ 	lui	$s3,0x10
-.L0f0505ac:
-/*  f0505ac:	00740019 */ 	multu	$v1,$s4
-/*  f0505b0:	8e080338 */ 	lw	$t0,0x338($s0)
-/*  f0505b4:	0000c812 */ 	mflo	$t9
-/*  f0505b8:	03282821 */ 	addu	$a1,$t9,$t0
-/*  f0505bc:	90a20000 */ 	lbu	$v0,0x0($a1)
-/*  f0505c0:	8ca40004 */ 	lw	$a0,0x4($a1)
-/*  f0505c4:	16a2000b */ 	bne	$s5,$v0,.L0f0505f4
-/*  f0505c8:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f0505cc:	8c890040 */ 	lw	$t1,0x40($a0)
-/*  f0505d0:	01335024 */ 	and	$t2,$t1,$s3
-/*  f0505d4:	5140001f */ 	beqzl	$t2,.L0f050654
-/*  f0505d8:	86430002 */ 	lh	$v1,0x2($s2)
-/*  f0505dc:	0fc0e556 */ 	jal	func0f039558
-/*  f0505e0:	8e040424 */ 	lw	$a0,0x424($s0)
-/*  f0505e4:	5040001b */ 	beqzl	$v0,.L0f050654
-/*  f0505e8:	86430002 */ 	lh	$v1,0x2($s2)
-/*  f0505ec:	10000018 */ 	beqz	$zero,.L0f050650
-/*  f0505f0:	24110001 */ 	addiu	$s1,$zero,0x1
-.L0f0505f4:
-/*  f0505f4:	16c2000f */ 	bne	$s6,$v0,.L0f050634
-/*  f0505f8:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f0505fc:	8c8b0040 */ 	lw	$t3,0x40($a0)
-/*  f050600:	01736024 */ 	and	$t4,$t3,$s3
-/*  f050604:	15800005 */ 	bnez	$t4,.L0f05061c
-/*  f050608:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f05060c:	0fc21a6a */ 	jal	objIsHealthy
-/*  f050610:	afa5024c */ 	sw	$a1,0x24c($sp)
-/*  f050614:	1440000e */ 	bnez	$v0,.L0f050650
-/*  f050618:	8fa5024c */ 	lw	$a1,0x24c($sp)
-.L0f05061c:
-/*  f05061c:	0fc0e556 */ 	jal	func0f039558
-/*  f050620:	8e040424 */ 	lw	$a0,0x424($s0)
-/*  f050624:	5040000b */ 	beqzl	$v0,.L0f050654
-/*  f050628:	86430002 */ 	lh	$v1,0x2($s2)
-/*  f05062c:	10000008 */ 	beqz	$zero,.L0f050650
-/*  f050630:	24110001 */ 	addiu	$s1,$zero,0x1
-.L0f050634:
-/*  f050634:	56e20007 */ 	bnel	$s7,$v0,.L0f050654
-/*  f050638:	86430002 */ 	lh	$v1,0x2($s2)
-/*  f05063c:	0fc0e556 */ 	jal	func0f039558
-/*  f050640:	8e040424 */ 	lw	$a0,0x424($s0)
-/*  f050644:	50400003 */ 	beqzl	$v0,.L0f050654
-/*  f050648:	86430002 */ 	lh	$v1,0x2($s2)
-/*  f05064c:	24110001 */ 	addiu	$s1,$zero,0x1
-.L0f050650:
-/*  f050650:	86430002 */ 	lh	$v1,0x2($s2)
-.L0f050654:
-/*  f050654:	26520002 */ 	addiu	$s2,$s2,0x2
-/*  f050658:	0461ffd4 */ 	bgez	$v1,.L0f0505ac
-/*  f05065c:	00000000 */ 	sll	$zero,$zero,0x0
-.L0f050660:
-/*  f050660:	52200009 */ 	beqzl	$s1,.L0f050688
-/*  f050664:	8e0d0438 */ 	lw	$t5,0x438($s0)
-/*  f050668:	8e040434 */ 	lw	$a0,0x434($s0)
-/*  f05066c:	8e050438 */ 	lw	$a1,0x438($s0)
-/*  f050670:	00851021 */ 	addu	$v0,$a0,$a1
-/*  f050674:	0fc13583 */ 	jal	chraiGoToLabel
-/*  f050678:	90460002 */ 	lbu	$a2,0x2($v0)
-/*  f05067c:	10000004 */ 	beqz	$zero,.L0f050690
-/*  f050680:	ae020438 */ 	sw	$v0,0x438($s0)
-/*  f050684:	8e0d0438 */ 	lw	$t5,0x438($s0)
-.L0f050688:
-/*  f050688:	25ae0003 */ 	addiu	$t6,$t5,0x3
-/*  f05068c:	ae0e0438 */ 	sw	$t6,0x438($s0)
-.L0f050690:
-/*  f050690:	8fbf0034 */ 	lw	$ra,0x34($sp)
-/*  f050694:	8fb00014 */ 	lw	$s0,0x14($sp)
-/*  f050698:	8fb10018 */ 	lw	$s1,0x18($sp)
-/*  f05069c:	8fb2001c */ 	lw	$s2,0x1c($sp)
-/*  f0506a0:	8fb30020 */ 	lw	$s3,0x20($sp)
-/*  f0506a4:	8fb40024 */ 	lw	$s4,0x24($sp)
-/*  f0506a8:	8fb50028 */ 	lw	$s5,0x28($sp)
-/*  f0506ac:	8fb6002c */ 	lw	$s6,0x2c($sp)
-/*  f0506b0:	8fb70030 */ 	lw	$s7,0x30($sp)
-/*  f0506b4:	27bd0258 */ 	addiu	$sp,$sp,0x258
-/*  f0506b8:	03e00008 */ 	jr	$ra
-/*  f0506bc:	00001025 */ 	or	$v0,$zero,$zero
-);
+bool aiIfSeesSuspiciousItem(void)
+{
+	s16 *ptr;
+	bool pass = false;
+	struct prop *prop;
+	struct defaultobj *obj;
+	s16 propnums[256];
+	struct prop *chrprop = g_Vars.chrdata->prop;
+
+	func0f065f80(&chrprop->rooms[0], &propnums[0], 256);
+
+	ptr = &propnums[0];
+
+	while (*ptr >= 0) {
+		prop = &g_Vars.props[*ptr];
+		obj = prop->obj;
+
+		if (prop->type == PROPTYPE_WEAPON) {
+			if ((obj->hidden & OBJHFLAG_00100000) && func0f039558(g_Vars.chrdata, prop)) {
+				pass = true;
+			}
+		} else if (prop->type == PROPTYPE_OBJ) {
+			if (((obj->hidden & OBJHFLAG_00100000) || !objIsHealthy(obj))
+					&& func0f039558(g_Vars.chrdata, prop)) {
+				pass = true;
+			}
+		} else if (prop->type == PROPTYPE_7) {
+			if (func0f039558(g_Vars.chrdata, prop)) {
+				pass = true;
+			}
+		}
+
+		ptr++;
+	}
+
+	if (pass) {
+		u8 *cmd = g_Vars.ailist + g_Vars.aioffset;
+		g_Vars.aioffset = chraiGoToLabel(g_Vars.ailist, g_Vars.aioffset, cmd[2]);
+	} else {
+		g_Vars.aioffset += 3;
+	}
+
+	return false;
+}
 
 /**
  * @cmd 004e
diff --git a/src/game/data/data_0083d0.c b/src/game/data/data_0083d0.c
index 3dedb7903..fa4b284f3 100644
--- a/src/game/data/data_0083d0.c
+++ b/src/game/data/data_0083d0.c
@@ -6295,7 +6295,7 @@ bool (*g_CommandPointers[])(void) = {
 	/*0x0049*/ ai0049,
 	/*0x004a*/ ai004a,
 	/*0x004b*/ aiIfNearMiss,
-	/*0x004c*/ ai004c,
+	/*0x004c*/ aiIfSeesSuspiciousItem,
 	/*0x004d*/ ai004d,
 	/*0x004e*/ ai004e,
 	/*0x004f*/ ai004f,
diff --git a/src/include/commands.h b/src/include/commands.h
index 10b74454d..cface6dd6 100644
--- a/src/include/commands.h
+++ b/src/include/commands.h
@@ -627,9 +627,14 @@
 	label,
 
 /**
- * Checks if the chr is dying.
+ * Checks if the chr has detected evidence that the player has been there.
+ *
+ * It looks for props in the same room:
+ * - Guns on the guard
+ * - Explosion scorch marks
+ * - And other unknown things
  */
-#define if_dying(label) \
+#define if_sees_suspicious_item(label) \
 	mkshort(0x004c), \
 	label,
 
diff --git a/src/include/constants.h b/src/include/constants.h
index 1e4a9ad42..19842eec0 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -1382,6 +1382,7 @@
 #define OBJHFLAG_00000800          0x00000800
 #define OBJHFLAG_ACTIVATED_BY_BOND 0x00004000
 #define OBJHFLAG_ACTIVATED_BY_COOP 0x00040000
+#define OBJHFLAG_00100000          0x00100000
 #define OBJHFLAG_00200000          0x00200000
 
 // obj->hidden2
diff --git a/src/include/game/chr/chraicommands.h b/src/include/game/chr/chraicommands.h
index c21f6cb64..19be9bb1a 100644
--- a/src/include/game/chr/chraicommands.h
+++ b/src/include/game/chr/chraicommands.h
@@ -79,7 +79,7 @@
 /*0x0049*/ bool ai0049(void);
 /*0x004a*/ bool ai004a(void);
 /*0x004b*/ bool aiIfNearMiss(void);
-/*0x004c*/ bool ai004c(void);
+/*0x004c*/ bool aiIfSeesSuspiciousItem(void);
 /*0x004d*/ bool ai004d(void);
 /*0x004e*/ bool ai004e(void);
 /*0x004f*/ bool ai004f(void);
diff --git a/src/include/game/game_02cde0.h b/src/include/game/game_02cde0.h
index 94f4f0ab3..2df3c81ba 100644
--- a/src/include/game/game_02cde0.h
+++ b/src/include/game/game_02cde0.h
@@ -96,7 +96,7 @@ u32 func0f0391ec(struct chrdata *chr, struct coord *pos, s16 *room, u32 arg3);
 u32 func0f03922c(struct chrdata *chr, void *arg1, s32 arg2);
 u32 func0f0393b4(struct chrdata *chr, struct coord *pos, s16 *room);
 u32 func0f039474(void);
-u32 func0f039558(void);
+bool func0f039558(struct chrdata *chr, struct prop *prop);
 bool chrIsStopped(struct chrdata *chr);
 u32 func0f03978c(struct chrdata *chr);
 u32 func0f039a18(struct chrdata *chr);
diff --git a/src/include/game/game_0601b0.h b/src/include/game/game_0601b0.h
index 166e4aa16..27919fab1 100644
--- a/src/include/game/game_0601b0.h
+++ b/src/include/game/game_0601b0.h
@@ -53,7 +53,7 @@ u32 func0f065dd8(void);
 u32 func0f065dfc(void);
 u32 func0f065e74(void);
 u32 func0f065e98(void);
-u32 func0f065f80(void);
+void func0f065f80(s16 *room, s16 *propnums, u32 size);
 u32 func0f066054(void);
 void propGetBbox(struct prop *prop, f32 *width, f32 *ymax, f32 *ymin);
 u32 func0f066290(void);