diff --git a/src/timeline-v1.ts b/src/timeline-v1.ts
index d9b4661..be00cb9 100644
--- a/src/timeline-v1.ts
+++ b/src/timeline-v1.ts
@@ -229,19 +229,21 @@ export type ParseTweetResult =
 
 function parseTimelineTweet(
   timeline: TimelineV1,
-  id: string,
+  tweetId: string,
 ): ParseTweetResult {
   const tweets = timeline.globalObjects?.tweets ?? {};
-  const tweet = tweets[id];
+  const tweet: Readonly<LegacyTweetRaw> | undefined = tweets[tweetId];
   if (tweet?.user_id_str == null) {
     return {
       success: false,
-      err: new Error(`Tweet "${id}" was not found in the timeline object.`),
+      err: new Error(
+        `Tweet "${tweetId}" was not found in the timeline object.`,
+      ),
     };
   }
 
   const users = timeline.globalObjects?.users ?? {};
-  const user = users[tweet.user_id_str];
+  const user: Readonly<LegacyUserRaw> | undefined = users[tweet.user_id_str];
   if (user?.screen_name == null) {
     return {
       success: false,
@@ -259,8 +261,9 @@ function parseTimelineTweet(
   const { photos, videos, sensitiveContent } = parseMediaGroups(media);
 
   const tw: Tweet = {
+    __raw_UNSTABLE: tweet,
     conversationId: tweet.conversation_id_str,
-    id,
+    id: tweetId,
     hashtags: hashtags
       .filter(isFieldDefined('text'))
       .map((hashtag) => hashtag.text),
@@ -271,7 +274,7 @@ function parseTimelineTweet(
       name: mention.name,
     })),
     name: user.name,
-    permanentUrl: `https://twitter.com/${user.screen_name}/status/${id}`,
+    permanentUrl: `https://twitter.com/${user.screen_name}/status/${tweetId}`,
     photos,
     replies: tweet.reply_count,
     retweets: tweet.retweet_count,
diff --git a/src/timeline-v2.ts b/src/timeline-v2.ts
index 61bf4b8..d3caa70 100644
--- a/src/timeline-v2.ts
+++ b/src/timeline-v2.ts
@@ -103,9 +103,17 @@ export interface ThreadedConversation {
   };
 }
 
+function getLegacyTweetId(tweet: Readonly<LegacyTweetRaw>): string | undefined {
+  if (tweet.id_str) {
+    return tweet.id_str;
+  }
+
+  return tweet.conversation_id_str;
+}
+
 export function parseLegacyTweet(
-  user?: LegacyUserRaw,
-  tweet?: LegacyTweetRaw,
+  user?: Readonly<LegacyUserRaw>,
+  tweet?: Readonly<LegacyTweetRaw>,
 ): ParseTweetResult {
   if (tweet == null) {
     return {
@@ -121,15 +129,12 @@ export function parseLegacyTweet(
     };
   }
 
-  if (!tweet.id_str) {
-    if (!tweet.conversation_id_str) {
-      return {
-        success: false,
-        err: new Error('Tweet ID was not found in object.'),
-      };
-    }
-
-    tweet.id_str = tweet.conversation_id_str;
+  const tweetId = getLegacyTweetId(tweet);
+  if (!tweetId) {
+    return {
+      success: false,
+      err: new Error('Tweet ID was not found in object.'),
+    };
   }
 
   const hashtags = tweet.entities?.hashtags ?? [];
@@ -142,9 +147,10 @@ export function parseLegacyTweet(
   const { photos, videos, sensitiveContent } = parseMediaGroups(media);
 
   const tw: Tweet = {
+    __raw_UNSTABLE: tweet,
     bookmarkCount: tweet.bookmark_count,
     conversationId: tweet.conversation_id_str,
-    id: tweet.id_str,
+    id: tweetId,
     hashtags: hashtags
       .filter(isFieldDefined('text'))
       .map((hashtag) => hashtag.text),
@@ -155,7 +161,7 @@ export function parseLegacyTweet(
       name: mention.name,
     })),
     name: user.name,
-    permanentUrl: `https://twitter.com/${user.screen_name}/status/${tweet.id_str}`,
+    permanentUrl: `https://twitter.com/${user.screen_name}/status/${tweetId}`,
     photos,
     replies: tweet.reply_count,
     retweets: tweet.retweet_count,
@@ -219,7 +225,7 @@ export function parseLegacyTweet(
     tw.views = views;
   }
 
-  if (pinnedTweets.has(tweet.id_str)) {
+  if (pinnedTweets.has(tweetId)) {
     // TODO: Update tests so this can be assigned at the tweet declaration
     tw.isPin = true;
   }
diff --git a/src/tweets.test.ts b/src/tweets.test.ts
index e9c1d1b..5ae28ca 100644
--- a/src/tweets.test.ts
+++ b/src/tweets.test.ts
@@ -1,7 +1,6 @@
 import { getScraper } from './test-utils';
 import { Mention, Tweet } from './tweets';
 import { QueryTweetsResponse } from './timeline-v1';
-import { SearchMode } from './search';
 
 test('scraper can get tweet', async () => {
   const expected: Tweet = {
diff --git a/src/tweets.ts b/src/tweets.ts
index a94aa39..7d34d0d 100644
--- a/src/tweets.ts
+++ b/src/tweets.ts
@@ -1,7 +1,7 @@
 import { addApiFeatures, requestApi } from './api';
 import { TwitterAuth } from './auth';
 import { getUserIdByScreenName } from './profile';
-import { QueryTweetsResponse } from './timeline-v1';
+import { LegacyTweetRaw, QueryTweetsResponse } from './timeline-v1';
 import {
   parseTimelineTweetsV2,
   TimelineV2,
@@ -49,6 +49,7 @@ export interface PlaceRaw {
  * A parsed Tweet object.
  */
 export interface Tweet {
+  __raw_UNSTABLE?: LegacyTweetRaw;
   bookmarkCount?: number;
   conversationId?: string;
   hashtags: string[];