diff --git a/cmd/prune/main.go b/cmd/prune/main.go
index 97f1d6b..6a3f63a 100644
--- a/cmd/prune/main.go
+++ b/cmd/prune/main.go
@@ -68,7 +68,17 @@ func Run(ctx context.Context, args []string) error {
 				}
 				if seriesHasMovement, err := seriesHasMovement(ctx, seriesFiles, movementInterval); err != nil {
 					return err
-				} else if seriesHasMovement {
+				} else if seriesHasMovement > -1 {
+					outd := strings.ReplaceAll(cam, "record", "movement")
+					os.MkdirAll(outd, os.ModePerm)
+
+					fileWithMovement := seriesFiles[seriesHasMovement]
+					if b, err := os.ReadFile(fileWithMovement); err != nil {
+						return err
+					} else if err := os.WriteFile(path.Join(outd, series+path.Ext(fileWithMovement)), b, os.ModePerm); err != nil {
+						return err
+					}
+
 					firstFileInfo, err := os.Stat(seriesFiles[0])
 					if err != nil {
 						return err
@@ -83,8 +93,6 @@ func Run(ctx context.Context, args []string) error {
 
 					log.Println("found movement in", series, "over", durationSeconds, "seconds at", fps, "fps")
 
-					outd := strings.ReplaceAll(cam, "record", "movement")
-					os.MkdirAll(outd, os.ModePerm)
 					cmd := exec.CommandContext(ctx,
 						"ffmpeg",
 						"-y",
@@ -154,15 +162,15 @@ func Run(ctx context.Context, args []string) error {
 	return nil
 }
 
-func seriesHasMovement(ctx context.Context, files []string, movementInterval time.Duration) (bool, error) {
+func seriesHasMovement(ctx context.Context, files []string, movementInterval time.Duration) (int, error) {
 	if len(files) < 1 {
-		return false, nil
+		return -1, nil
 	}
 
 	f := files[0]
 	fStat, err := os.Stat(f)
 	if err != nil {
-		return false, err
+		return -1, err
 	}
 	fTime := fStat.ModTime()
 
@@ -170,7 +178,7 @@ func seriesHasMovement(ctx context.Context, files []string, movementInterval tim
 		g := files[i]
 		gStat, err := os.Stat(g)
 		if err != nil {
-			return false, err
+			return -1, err
 		}
 		gTime := gStat.ModTime()
 
@@ -179,15 +187,15 @@ func seriesHasMovement(ctx context.Context, files []string, movementInterval tim
 		}
 
 		if hasMovement, err := hasMovement(ctx, f, g); err != nil {
-			return false, fmt.Errorf("failed to check for movement between %s and %s: %w", f, g, err)
+			return -1, fmt.Errorf("failed to check for movement between %s and %s: %w", f, g, err)
 		} else if hasMovement {
-			return true, nil
+			return i, nil
 		}
 
 		f = g
 		fTime = gTime
 	}
-	return false, nil
+	return -1, nil
 }
 
 func hasMovement(ctx context.Context, a, b string) (bool, error) {
diff --git a/cmd/prune/main_test.go b/cmd/prune/main_test.go
index a834275..3265446 100644
--- a/cmd/prune/main_test.go
+++ b/cmd/prune/main_test.go
@@ -57,9 +57,11 @@ func TestRun(t *testing.T) {
 
 	if results, err := lsf(path.Join(path.Dir(d), "movement")); err != nil {
 		t.Fatal("failed to lsf for results:", err)
-	} else if len(results) != 1 {
+	} else if len(results) != 2 {
 		t.Fatal(results)
-	} else if path.Base(results[0]) != seriesA+".mp4" {
+	} else if path.Base(results[0]) != seriesA+".jpg" {
+		t.Fatal(results)
+	} else if path.Base(results[1]) != seriesA+".mp4" {
 		t.Fatal(results)
 	}