diff --git a/bin/load_processed_crashes_into_es.py b/bin/load_processed_crashes_into_es.py
new file mode 100755
index 0000000000..379eeef778
--- /dev/null
+++ b/bin/load_processed_crashes_into_es.py
@@ -0,0 +1,213 @@
+#!/usr/bin/env python
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+# Loads a processed crash by either crash ID or date from either
+# GCS or S3 into Elasticsearch, depending on `settings.CRASH_SOURCE`,
+# optionally skipping crashes already in Elasticsearch.
+
+# Uses a variation of `check_crash_ids_for_date`
+# from the `verifyprocessed` command in Crash Stats to get crash IDs from S3/GCS:
+# https://github.com/mozilla-services/socorro/blob/3f39c6aaa7f294884f3261fd268e8084d5eec93a/webapp/crashstats/crashstats/management/commands/verifyprocessed.py#L77-L115
+
+# Usage: ./bin/load_processed_crash_into_es.py [OPTIONS] [CRASH_ID | DATE]
+
+import concurrent.futures
+import datetime
+from functools import partial
+from isodate import parse_date
+from more_itertools import chunked
+
+import click
+
+from socorro import settings
+from socorro.external.es.super_search_fields import FIELDS
+from socorro.external.es.supersearch import SuperSearch
+from socorro.lib.libooid import date_from_ooid
+from socorro.libclass import build_instance_from_settings
+
+NUM_CRASHIDS_TO_FETCH = "all"
+# Number of seconds until we decide a worker has stalled
+WORKER_TIMEOUT = 15 * 60
+
+
+def is_in_storage(crash_storage, crash_id):
+    """Is the processed crash in storage."""
+    return crash_storage.exists_object(f"v1/processed_crash/{crash_id}")
+
+
+def get_threechars():
+    """Generate all combinations of 3 hex digits."""
+    chars = "0123456789abcdef"
+    for x in chars:
+        for y in chars:
+            for z in chars:
+                yield x + y + z
+
+
+def check_elasticsearch(supersearch, crash_ids):
+    """Checks Elasticsearch and returns list of missing crash ids.
+
+    Crash ids should all be on the same day.
+
+    """
+    crash_ids = [crash_ids] if isinstance(crash_ids, str) else crash_ids
+    crash_date = date_from_ooid(crash_ids[0])
+
+    # The datestamp in the crashid doesn't match the processed date sometimes especially
+    # when the crash came in at the end of the day.
+    start_date = (crash_date - datetime.timedelta(days=5)).strftime("%Y-%m-%d")
+    end_date = (crash_date + datetime.timedelta(days=5)).strftime("%Y-%m-%d")
+
+    params = {
+        "uuid": crash_ids,
+        "date": [">=%s" % start_date, "<=%s" % end_date],
+        "_columns": ["uuid"],
+        "_facets": [],
+        "_facets_size": 0,
+        "_fields": FIELDS,
+    }
+    search_results = supersearch.get(**params)
+
+    crash_ids_in_es = [hit["uuid"] for hit in search_results["hits"]]
+    return set(crash_ids) - set(crash_ids_in_es)
+
+
+def get_crashids_in_storage(page, only_missing_in_es):
+    crash_source = build_instance_from_settings(settings.CRASH_SOURCE)
+    crash_dest = build_instance_from_settings(settings.CRASH_DESTINATIONS["es"])
+
+    in_crash_source_page = []
+    missing_in_es_page = []
+    # NOTE(bdanforth): Keys here look like /v1/raw_crash/DATE/CRASHID
+    crash_ids = [item.split("/")[-1] for item in page]
+
+    if not crash_ids:
+        return []
+
+    # Check crashstorage source first
+    for crash_id in crash_ids:
+        if is_in_storage(crash_source, crash_id):
+            in_crash_source_page.append(crash_id)
+        else:
+            click.echo(f"Could not find processed crash for raw crash {crash_id}.")
+
+    if only_missing_in_es:
+        supersearch = SuperSearch(crash_dest)
+
+        # Check Elasticsearch in batches
+        for crash_ids_batch in chunked(in_crash_source_page, 100):
+            missing_in_es_batch = check_elasticsearch(supersearch, crash_ids_batch)
+            missing_in_es_page.extend(missing_in_es_batch)
+
+        return list(set(missing_in_es_page))
+
+    return in_crash_source_page
+
+
+def check_crashids_for_date(date, only_missing_in_es, num_workers):
+    """Check crash ids for a given date"""
+    crash_source = build_instance_from_settings(settings.CRASH_SOURCE)
+
+    crash_ids = []
+
+    # Grab all the crash ids at the given date directory
+    page_iterator = crash_source.list_objects_paginator(
+        prefix=f"v1/raw_crash/{date}",
+    )
+
+    get_crashids = partial(
+        get_crashids_in_storage, only_missing_in_es=only_missing_in_es
+    )
+
+    with concurrent.futures.ProcessPoolExecutor(max_workers=num_workers) as executor:
+        for result in executor.map(get_crashids, page_iterator, timeout=WORKER_TIMEOUT):
+            crash_ids.extend(result)
+
+    return crash_ids
+
+
+def save_crash_to_es(crash_id):
+    crash_source = build_instance_from_settings(settings.CRASH_SOURCE)
+    crash_dest = build_instance_from_settings(settings.CRASH_DESTINATIONS["es"])
+    try:
+        processed_crash = crash_source.get_processed_crash(crash_id)
+        crash_dest.save_processed_crash(None, processed_crash)
+        return (
+            f"Crash with ID {crash_id!r} loaded from {type(crash_source).__name__!r}."
+        )
+    except Exception as exc:
+        return f"Unable to load crash with ID {crash_id!r} from {type(crash_source).__name__!r}; error: {exc}."
+
+
+@click.command()
+@click.option(
+    "--date",
+    default=None,
+    type=str,
+    help=("Date to load processed crashes from as YYYY-MM-DD. Defaults to None."),
+)
+@click.option(
+    "--crash-id",
+    default=None,
+    type=str,
+    help="A single crash ID to load into ES from the source. E.g. 64f9a777-771d-4db3-82fa-b9c190240430. Defaults to None.",
+)
+@click.option(
+    "--num-workers",
+    default=4,
+    type=int,
+    help="The number of workers to use to check for crash IDs in the crashstorage source. Defaults to 4.",
+)
+@click.option(
+    "--only-missing-in-es",
+    default=False,
+    type=bool,
+    help="Whether to load only those processed crashes that are present in the crashstorage source but missing in Elasticsearch. Defaults to False.",
+)
+@click.pass_context
+def load_crashes(ctx, date, crash_id, num_workers, only_missing_in_es):
+    """
+    Loads processed crashes into Elasticsearch by crash source (S3 or GCS)
+    and either crash ID or date.
+
+    Must specify either CRASH_ID or DATE.
+
+    """
+    crash_ids = []
+
+    if crash_id:
+        crash_ids.append(crash_id)
+    elif date:
+        check_date = parse_date(date)
+        if not check_date:
+            raise click.ClickException(f"Unrecognized run_time format: {date}")
+
+        check_date_formatted = check_date.strftime("%Y%m%d")
+        click.echo(
+            f"Checking for missing processed crashes for: {check_date_formatted}"
+        )
+
+        crash_ids = check_crashids_for_date(
+            date=check_date_formatted,
+            only_missing_in_es=only_missing_in_es,
+            num_workers=num_workers,
+        )
+    else:
+        raise click.BadParameter(
+            "Neither date nor crash_id were provided. At least one must be provided.",
+            ctx=ctx,
+            param_hint=["date", "crash_id"],
+        )
+
+    with concurrent.futures.ProcessPoolExecutor(max_workers=num_workers) as executor:
+        results = list(
+            executor.map(save_crash_to_es, crash_ids, timeout=WORKER_TIMEOUT)
+        )
+        click.echo(results)
+
+
+if __name__ == "__main__":
+    load_crashes()
diff --git a/socorro/tests/test_load_processed_crashes_into_es.py b/socorro/tests/test_load_processed_crashes_into_es.py
new file mode 100644
index 0000000000..e1a3e0a51f
--- /dev/null
+++ b/socorro/tests/test_load_processed_crashes_into_es.py
@@ -0,0 +1,88 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+from datetime import date, datetime, time, timezone
+import json
+
+from click.testing import CliRunner
+
+from bin.load_processed_crashes_into_es import load_crashes
+from socorro.lib.libooid import create_new_ooid
+from socorro import settings
+
+
+# Setup helper, so we have some processed crashes to load into ES
+def load_crashes_into_crashstorage_source(helper, date_str="2024-05-01", num_crashes=2):
+    bucket = settings.STORAGE["options"]["bucket"]
+    helper.create_bucket(bucket)
+
+    expected_processed_crashes = []
+    date_args = [int(date_part) for date_part in date_str.split("-")]
+    date_datetime = date(*date_args)
+    expected_processed_crash_base = {
+        "date_processed": datetime.combine(
+            date_datetime, time.min, timezone.utc
+        ).isoformat(),
+    }
+    raw_crash_base = {"submitted_timestamp": date_str}
+
+    for _ in range(num_crashes):
+        # Encode the date in the crash ID, so we can determine the correct
+        # Elasticsearch index by crash ID downstream.
+        crash_id = create_new_ooid(timestamp=date_datetime)
+        processed_crash = {**expected_processed_crash_base, "uuid": crash_id}
+        expected_processed_crashes.append(processed_crash)
+
+        # Upload raw crash for this crash ID, since only the raw crash
+        # path contains the date for lookups.
+        raw_crash = {**raw_crash_base, "uuid": crash_id}
+        date_str_fmt = raw_crash["submitted_timestamp"].replace("-", "")
+        helper.upload(
+            bucket_name=bucket,
+            key=f"v1/raw_crash/{date_str_fmt}/{crash_id}",
+            data=json.dumps(raw_crash).encode("utf-8"),
+        )
+
+        # Upload processed crash for the crash ID
+        helper.upload(
+            bucket_name=bucket,
+            key=f"v1/processed_crash/{crash_id}",
+            data=json.dumps(processed_crash).encode("utf-8"),
+        )
+
+    return expected_processed_crashes
+
+
+def test_it_runs():
+    """Test whether the module loads and spits out help."""
+    runner = CliRunner()
+    result = runner.invoke(load_crashes, ["--help"])
+    assert result.exit_code == 0
+
+
+def test_it_loads_processed_crashes_by_date(storage_helper, es_helper):
+    """Test whether the module loads processed crashes by date."""
+    date_str = "2024-05-01"
+    expected_crashes = load_crashes_into_crashstorage_source(storage_helper, date_str)
+    runner = CliRunner()
+    result = runner.invoke(load_crashes, ["--date", date_str])
+    assert result.exit_code == 0
+    es_helper.refresh()
+    for expected_crash in expected_crashes:
+        crash_id = expected_crash["uuid"]
+        actual_crash = es_helper.get_crash_data(crash_id)["processed_crash"]
+        assert actual_crash == expected_crash
+
+
+def test_it_loads_processed_crashes_by_crashid(storage_helper, es_helper):
+    """Test whether the module loads processed crashes by crash id."""
+    expected_crashes = load_crashes_into_crashstorage_source(storage_helper)
+    runner = CliRunner()
+    expected_crash = expected_crashes[0]
+    crash_id = expected_crash["uuid"]
+    result = runner.invoke(load_crashes, ["--crash-id", crash_id])
+    assert result.exit_code == 0
+    es_helper.refresh()
+    actual_crash = es_helper.get_crash_data(crash_id)["processed_crash"]
+    assert actual_crash == expected_crash